This opens a loophole to blackmail you. If you don't buy the Windows they can shutdown your account. And if you use the account for payments or signups e.g. to

This opens a loophole to blackmail you. If you don't buy the Windows they can shutdown your account. And if you use the account for payments or signups e.g. to banks? Kaboom!!! It is a general evil plan set up step by step and not only from Microsoft.