Very few people will be able to provide a list of 100% of the accounts they used. This means every visitor will technically be lying on their forms.
You're more than happy to visit - until you do something the regime doesn't like, like criticizing the recent attack on Iran, or making fun of the military parade. Then they have a ready-made reason to deport and ban you.
He didn't mention it, but I think he meant to extend it to "and how would they check/prove it?".
The practice of creating pretextual laws is well established in places like Russia, but a necessary component is proof. In fact that's the entire purpose of a pretextual law, to have something (as ridiculous as it may be) to pin on someone. I can't see any way they could prove I have this handle on Hacker News, for example.
At a minimum you get locked in a damp basement for an unknown amount of time while they book a flight for you, which happened to an Australian journalist recently.
The general vibe I'm hearing in Australia is that people are afraid to travel to the US right now if they have any reason at all to raise suspicion (being trans, having posted political comments, etc).
Very few people will be able to provide a list of 100% of the accounts they used. This means every visitor will technically be lying on their forms.
You're more than happy to visit - until you do something the regime doesn't like, like criticizing the recent attack on Iran, or making fun of the military parade. Then they have a ready-made reason to deport and ban you.