My parents had a porn blocker, and all it made me do was learn enough about computers to circumvent it. Even if they put age verification in front of every porn site in the world there's still torrents and chat rooms and forums all over where you can find it, and kids will find it. Next thing they'll mandate is putting toothpaste back in the tube.

I just think of it as a safety net to prevent (or at least reduce the risk) of young children accidently stumbling upon something nasty or graphic that they didn’t mean to.

This should also be done by proper parenting and supervision but as technology and internet devices are friggin everywhere I don’t think it’s a bad idea for parents to also have some decent filters on their internet connection.

Doesn’t stop someone who even knows half way what they are doing, but by that point hopeful parents will have talked and educated their children about things before there’s a concern about intention seeking stuff out.