Isn’t it a privilege being able to pay with Buttcoin at all?

While not the best thjbg for customers, it helps them reduce fraud and keep the service acceptable.

Since vultr network has a hood reputation, they could be abused to send spam. Having crypto payment only would not prevent them to detect repeat abusers. With a verified payment method they can ID who me they are providing service for.

In an absence of such limitation, abusers can simply create a new email and wallet then get back to abusing.