The real 1970s/1980s Vader wouldn’t have done what he did at the end of RO. He would have just sent in his Stormtroopers first, like he did on the Tantive IV and Echo Base at Hoth.
All that lightsaber twirling, slashing and force spamming he does is Prequel/video game tier. It was over the top and stupid.
Also, why does Vader act like such a primadonna in this scene?
His erratic movement as Krennic is talking, the way he throws his head back and getting all flippant and saucy. He’s acting like a teenage girl. Speaking of transmissions, couldn’t Krennic have just instant messaged Vader? Imagine how long it takes Vader to get dressed. Krennic interrupted him for that?
Vader’s scenes are dumb in that movie.