They're called "pretextual laws", and are prevalent in places like Russia and China. They always require proof though, since the whole point is an easy case in court.
I can't see an easy way to prove someone supplied an incomplete list of online handles though. It would be trivial for me to look up all the places I've supplied my real e-mail address and make sure to include them in the list, and good luck finding my handles otherwise.
> I can't see an easy way to prove someone supplied an incomplete list of online handles though.
1. it doesn't matter - it's immigration, them simply asserting you lied is enough for them to decline your visa, and as of January 2025, enough for them to have masked goons kidnap you on the street and imprison you without charge or trial and/or deport you to some random country
2. the easy way is to just ask American Big Tech to rat you out - Elon obviously would do it for a kind glance, the rest will do it because they either support the actual end of democracy in the US or because they think it'll increase shareholder value
I can't see an easy way to prove someone supplied an incomplete list of online handles though. It would be trivial for me to look up all the places I've supplied my real e-mail address and make sure to include them in the list, and good luck finding my handles otherwise.