Bullshit. You're dancing around without addressing the crux of the argument against

In what scenario do you mask Biden? ZERO

And that's the only way you get a mic behind him.

That means greenscreen, because there is zero reason to mask Biden when the composited material added in is intended to go in front at all times.

huh? huh?

"He was moving a lot"

So they masked him? Why? Bullshit.

"To get a clean edit"

How in the fuck does masking Biden make it "cleaner"? It doesn't, not in any scenario. How does he mess up the shot by moving? He doesn't. What they masked him to make him NOT move?

In what world does any of what you say make any sense? GTFO here.