It’s not some theoretical topic, it’s the reality for China, Russia, Iran. They do block commonly used VPN protocols, so people now use VPN with obfuscations. Some work, some doesn’t, some stop working as time goes. So when people say “Ha-ha, I’ll just use VPN”, it will help you for some time but the trend is they will make it a problem for you, better start preparing before it happened.
It’s not some theoretical topic, it’s the reality for China, Russia, Iran. They do block commonly used VPN protocols, so people now use VPN with obfuscations. Some work, some doesn’t, some stop working as time goes. So when people say “Ha-ha, I’ll just use VPN”, it will help you for some time but the trend is they will make it a problem for you, better start preparing before it happened.