Porn bans are a foot in the door for ending online anonymity

That wouldn't be the case if they were supply-side focused. As you said, the current anti-porn agenda is just part of a larger push to expand state surveillance. It doesn't have to be done that way though. It's done that way because the people in charge don't care about effectively combatting porn, only consent manufacturing for their surveillance agenda.

Porn bans are a foot in the door for ending online anonymity

That's wouldn't be the case if they were supply-side focused. As you said, the current anti-porn agenda is just part of a larger push to expand state surveillance. It doesn't have to be done that way though. It's done that way because the people in charge don't care about effectively combatting porn, only consent manufacturing for their surveillance agenda.