I don’t know the site that much, but I know that “harmful to minors” can mean anything.

I think he means pages are presented as static html+css pages, generated dinamically on the back end

I totally agree, just explained OP’s point

I agree, I’m just explaining OP’s logic

The point of contention here is not that OP doesn’t like this kind of verification, but that he believes that Twitter is making up the sign in attempt to get OP to actually log in and report higher usage metrics in Q3.

I don’t think OP opposes 2FA, at least not from the info he posted.