This is also common for people inside China who need to access external internet because:
1. All the VPN providers are blocked anyway
2. You have to disguise your traffic to look like non-VPN commercial traffic, anything that looks obviously like an outbound VPN gets blocked by the Great Firewall
1. All the VPN providers are blocked anyway
2. You have to disguise your traffic to look like non-VPN commercial traffic, anything that looks obviously like an outbound VPN gets blocked by the Great Firewall