So he managed to block the site globally for not forcibly violating the privacy of its users with mandatory age verification.
The US court system really needs to do something about this, and overturn Free Speech Coalition v. Paxton in favour of Reno v. American Civil Liberties Union.
Motherless shouldn't have used a domain under Texan jurisdiction if they didn't want this to happen.
FWIW, the site isn't blocked globally. They just moved to a new domain.
I do generally agree that local governments trying to forcefully exert their influence beyond their jurisdiction is deeply problematic. It wouldn't even be possible to host a website on the internet if this becomes normalized, due to being held to thousands of contradicting standards. At most Texas should have the authority to tell Texas ISPs to block traffic.
The US court system is completely hamstrung by the current administration.