Please don't take HN threads further into flamewar. Look at how much crappier the thread gets below. It's everybody's responsibility not to push threads in such directions.
It's DARTH VADER! Of course he is committing a micro-macro-mega-aggression! Maybe Darth Vader isn't your best choice for standards of real-world social discourse?
Maybe the writers were, but I doubt it. To most English speakers master just means person in control or source of truth.
Or we should retcon Star Wars. Time to ban some more books and film I guess. Yay?