‘The Doctor’—the title he chose, rather than the name he was born with—is more of an idea in his head, than a statement of his identity. The Doctor is the man he aspires to be, not the man he believes he is.
The visual of Matt Smith both literally and metaphorically stepping out from under David Tennant’s shadow was such a statement of intent.
It was here. It was new. This is the New Who version of “I am The Doctor, whether you like it or not.”
It was Palpatine’s guards. They thought Luke had turned to The Dark Side and killed him so they sorta obeyed him and Vader for a while until they clocked that Vader had betrayed him.
We had such hope… you would understand. But you choose… entropy. You revel in chaos… and in your wake, there is only suffering!
You are unworthy of salvation!