Storm troopers aren’t clones at all. They’re recruited. (Rebels, you see some of that process, with Ezra and a few others. Basically, most are barely competent. The 501st is supposed to be an exception.)
There’s also plenty of examples outside this moment of storm troopers sucking- battle at cloud city, Hoth. Virtually every major engagement… even when they were supposed to be on their a-game, they suck.
We’ve also seen the drastic difference in training and skill between Kamino clones and the newer spartii clones.
Storm troopers aren’t clones at all. They’re recruited. (Rebels, you see some of that process, with Ezra and a few others. Basically, most are barely competent. The 501st is supposed to be an exception.)
There’s also plenty of examples outside this moment of storm troopers sucking- battle at cloud city, Hoth. Virtually every major engagement… even when they were supposed to be on their a-game, they suck.