I don't understand one thing.

But why don't all the streaming subscription systems, such as Netflix, Apple+, Disney+ etc. etc. do like #Mullvad?

No KYC, no password, a nice unique random number and monthly payment in any payment system.

Wonderful. 

 Well, if they did, they wouldn't be able to sell your personal data for a bit of extra revenue... 

 Bc they want to know who you are, where you live, and what you like to spend your money on.