Yes, it's not infinite, because you have to run an exit node, but yes.
Discussion
So it’s like onion routing?
No, Mysterium isn't, but Mullvad just partnered with Obscura to create an onion routing like service.
I asked Obscura if it worked with Tailscale here:
https://x.com/mdhardcastle/status/1949442089902547039
https://mullvad.net/en/blog/mullvad-partnered-with-obscura-vpn