True, you can create it via tor or vpn anymore, I get its to fight spam. But new methods could be implemented to combat this. Hint, bitcoin lightning payment maybe, to sort out the bots from humans, at least to some degree.
Proton mail is the same, you can't create an account via tor, and it wants an existing email for verification - I mean whats the point then 😉
Here is your private mail but please let us know who you really are also lol