>>987217314chan maintains a blacklist of VPN endpoints, and most VPN providers don't refresh their IPs because they don't expect services to seek out and block them. Most newfags don't realize but Global Rule 14 specifically states that posting from VPNs is not allowed, so the whole idea of 'they can VPN post to get around it forever' is dumb. It's one thing to use VPNs on a thread that sees a hundred posts a day, but if you try that here you'll run out fast.