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U.S. Supreme Court will hear Texas anti-pornography law that challengers say violates free-speech rights.
(www.texastribune.org)
This is a most excellent place for technology news and articles.
It's just step 1.
Once you get the big players with heavy wallets out of the way, then you can go after search engines that list it. Search engines probably don't have enough motive to fight it, and the big players already packed their bags. Once it's no longer on Google/Bing it may as well not exist for the vast majority of people.
There was an article about one of the masterminds behind these laws that got secretly recorded and he basically confirmed what I just said. ID laws are the start.