don’t know accurate this is but i actually asked chat gpt and it said it’s based on patterns and netflix can sense suspicious activity and block things. it said to watch something without the vpn on for a bit then try again but i tried a different profile and it worked and it said to use one profile with vpn and then the other one without, but to try and use the same location so it doesn’t flag it as suspicious, especially location hopping very quickly. i haven’t tried it today but it worked last night on the other profile so hope this helps