Not at all an endorsement of this service, I just did a double take when I realized paying for an online service in "Cash" wasn't code for some cryptocurrency in the year 2022
But a lot of people want VPNs, and the privacy that comes with them, but don't want to involve themselves with cryptocurrency. Saying "just use Monero" completely forgets about this (quite large) portion of people.
I mean, sure, if you insist on the strictly inferior solution, luckily for you it's still an option.
I find it amusing that you explicitly want to send a private, anonymous and uncensorable transaction, but at the same time don't want to "involve yourself with" a technology that enables you to do exactly that.
I'll stick with the "strictly inferior" solution that doesn't swing in value or require wasting electricity and silicon. There is no such thing as a 100% private, 100% anonymous, 100% uncensorable system, either.