> Click logout if you’re one of the few professional Twitter trolls that actually managed to get his attention

I.e. "people the President of the United States doesn't like". Even if those people have every right to have their voice be heard--as enshrined in the constitution. Saying "oh, they can just view his posts by going into incognito mode" is a pretty slippery slope to saying it is okay for the government to actively block certain undesirables from accessing government communication.

What kind of totalitarian government are you arguing for?

That he must leave his tweets open to all the public, and not prevent certain people from directly criticizing him in public either.