Also, a detail but:

https://www.pcmag.com/news/supreme-court-lets-mississippi-age-verification-law-go-into-effect-for

It's considered likely to be unconstitutional.

The ruling now allows Mississippi to enforce its social media law while case continues in the lower court. In the ruling, Kavanaugh also cited several district court rulings opposing similar age-verification laws, concluding that "the Mississippi law is likely unconstitutional."