One reason being that the
Although First Order stormtroopers were non-clone humans like their Imperial precursors, they were trained from an even younger age—virtually from birth—whereas Imperial stormtroopers were recruited in their adolescence.
Clones didn't appear in the original trilogy, but that's mainly because Star Wars: Return of the Jedi was released in 1983, and clone troopers weren't introduced until Star Wars: Attack of the Clones hit theaters in 2002.
Some clones disobeyed the infamous order than decimated the Jedi order, and refused to execute it. SOME of these Clones include; Captain Rex: Captain Rex, as most know removed his chip that would later be the way that Palpatine would execute order 66. Wolffe: As with Captain Rex Wolffe removed his bio chip.
What Happened? The name "Order 66" comes from the secretive clone protocol that labeled all as Jedi traitors to the Republic and sentenced them to execution. The order was built into an inhibitor chip in the clones' brains, so following the instruction was compulsory.
He viewed military service as an honor, and his loyalty to the Republic and his Jedi Generals was absolute. But when Order 66 was executed, it was Ahsoka who helped to free Rex from the programming of his inhibitor chip.
In the final days of the Clone Wars, Plo led a starfighter squadron against Separatist forces on Cato Neimoidia. When Supreme Chancellor Palpatine issued Order 66, Plo's clone wingmen blasted his fighter out of the sky, killing him instantly.
ARC-0001 (formally CT-0001) was created years ago in 32 BBY with the rest of the clones on the watery planet of Kamino, he is a fully trained arc (advanced recon commando) trooper, and he is the leader of 223rd Strike Force, his nickname is Commander Unos.
Despite Cody's friendship with Obi-Wan, he didn't hesitate when he received Order 66 from Supreme Chancellor Palpatine at the end of the Clone Wars. Obeying the Republic's commander-in-chief, Cody gave the order to fire on his Jedi General, then sent troops to see if he'd been killed.
Since he removed his control implant, Wolffe was no longer able to be forced into complying with Order 66. Following the Clone Wars, Wolffe and his two comrades Rex and Gregor settled on Seelos and lived in a vintage AT-TE walker.
The fact that clones could defy the orders that are literally written into their brains caused a crisis of faith in the Empire. Since they couldn't command 100% control over the clones that they managed to ruin, regular conscripted soldiers offered an easier solution. Many of the issues were due to gradual mutations.
The genetic template for the clone army was Jango Fett, seen in the prequel films when the clone conspiracy originally came to light. Finn looked altogether different, however, and he explained his background later in the same film as essentially becoming a young recruit when the First Order orphaned him.
The unit originated as a batch of clones who were created with "desirable" genetic mutations that made them superior soldiers, as a result of genetic manipulation. These mutations also had the unique effect of altering their appearance and voice greatly from regular clone troopers.
During the later part of the Clone Wars, the Phase I sets were mainly replaced by Phase II armor. However, some clones chose to keep either some, or all of the elements of their Phase I armor, at least until Order 66, such as CC-01/425, and the ARC troopers who killed Master Sev.
A short time after the execution of Order 66, Palpatine would announce that he was reorganizing the Republic into the Galactic Empire, which he would rule as Emperor. Now serving the Empire, the members of the 501st took the designation of stormtrooper, as well as new armor, weapons, and ships.
In most canonically documented cases, Stormtroopers also received regular pay in Imperial credits. However, due to the nature of the Empire's conscription program, much of that pay didn't stay with the soldiers themselves. That's because many recruits sent their pay directly back to their families on their homeworlds.
They were often assigned to the same special operations missions, from rescuing a Jedi in an enemy prison to locating a traitor among their own ranks. Cody, though he outranked Rex, trusted in the captain's abilities, and placed him in charge on many occasions.
The two of them were both commanders, however Ahsoka had an upper edge. She was a Jedi Padawan, meaning she outranked any clone trooper. So technically, if Cody was in her legion, he would follow her orders.
It was said that fewer than one hundred Jedi—approximately one percent of the entire Order—survived Order 66. However, the number seemed closer to two hundred.
Who was clone trooper 6969? CT-6969 was a clone trooper of the Grand Army of the Republic during the Clone Wars. He was given a nickname Sixty Niner.
Captain Rex
If one thing could sum up his appeal it would be his steadfast loyalty to not only his brothers in arms, but the Jedi he served alongside during the Clone Wars and to the Republic itself.
99, would you please send a cleaning crew to the training ground." 99 at work carrying weapons. 99 was the victim of an imperfect cloning attempt, leaving him with severe genetic and physical defects included limited mobility and overly rapid aging.
Padawan Windu was trained in the ways of the Force by Jedi Master Cyslin Myr.
Koon was shot down in his Delta-7 Aethersprite-class light interceptor by clone pilot Jag, perishing as his fighter exploded and crashed.
Jedi including Oppo Rancisis, Coleman Kcaj and Kirak Infil'a are mentioned on the Inquisitorius' list of surviving Jedi after Order 66. Other Jedi like Master Uvell and former Padawan Gungi have been confirmed as survivors.