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Pornhub blocks North Carolina and Montana as porn regulation spreads
(www.theverge.com)
This is a most excellent place for technology news and articles.
I don't think it's even possible to for anyone to stop someone from using a VPN. Sure, in theory, they could affect VPN providers' businesses, but you're always going to be able to connect to a VPN if you want to. They'd have to block or heavily limit internet access in order to stop users from connecting to some remote server.
Also yes, I do think lawmakers are aware that vpn's are not a threat to anything, thus there is absolutely no reason to ban them.
Edit: Someone else mentioned a good point. Even if we consider them blocking vpn as a possibility "The uproar would be enough to kill the bill before it gets out of committee."