Since “everyone” would include governments and industry as well, their restriction is guaranteed to not contain more bad actors than no restriction.

Not from their perspective

Of course. To somebody in Zuck's position, shoring up the power of the status quo is common sense.

I don’t know whether this is true and have no way of knowing this with any degree of certainty, but to me it seems unlikely that Mark had anything to do with this stipulation (requesting access). Although it’s not unimaginable.