Not sure if this has been brought up before , but I noticed something watching my 1992 letterbox vhs of ROTJ this weekend …in the scene on the landing platform ,right after Luke says , " Then my father is truly dead ." , there are two stormtroopers within earshot of him . When they escort Luke back into the hold of the AT-AT , you can see one of the troopers turn his head and look at Luke ,probably thinking , " Holy Shit , Vader’s son !" I can only think of 2 plausible consequences of this …A. Vader has those troopers killed or B. Luke Jedi mind tricks them to forget the conversation ever took place .
I actually think Vader did not kill them, he is too occupied by the “conflict” inside, and Luke probably was too busy preparing to face Palpatine to mind wipe those troopers.