oh sure, rub it in, mr multiple friend groups

it would be way easier than the statue of liberty. barely an inconvenience.

do you use “email+alias@proton” style aliases (afaik how gmail does it) or do you get an entirely new email address?

why do you need to switch? win+p is the switch between mirrored and joined mode right? why not just let the system handle it?
i too have a few consoles and i use a hdmi switch before monitor 1 and on the 2nd monitor i sometimes switch between hdmi and vga for an older pc, but i just let pop do whatever