Using your own VPN vs using a VPN provider is not a 1:1 comparison. VPN providers give you access to multiple servers running on different countries. You cannot

Using your own VPN vs using a VPN provider is not a 1:1 comparison. VPN providers give you access to multiple servers running on different countries. You cannot setup 250 servers all over the world just to emulate a VPN's offering. There are shared and private IP addresses etc. If all you want to do is hide your traffic from a state level actor, then tor is a much better solution.