My guess is that HN banned PIA's shared VPN gateway IP address(es) by mistake. A large number of users making requests from the same IP(s) can look like abuse.

My guess is that HN banned PIA's shared VPN gateway IP address(es) by mistake. A large number of users making requests from the same IP(s) can look like abuse. There's an unban feature, visit: https://news.ycombinator.com/unban?ip=<your public IP> You can search "ip" to see what your current public IP is.