There are 2 lists of countries applicable here. The list of countries where the VPN is included with a Google One subscription and the list where you could use the VPN while traveling.
You'll notice that countries known for internet censorship are missing from both lists, so using it for that purpose wouldn't work at all.
Google VPN is/was only available in select countries.
https://support.google.com/googleone/answer/7582172
There are 2 lists of countries applicable here. The list of countries where the VPN is included with a Google One subscription and the list where you could use the VPN while traveling.
You'll notice that countries known for internet censorship are missing from both lists, so using it for that purpose wouldn't work at all.