Please make sure you check the privacy policy there as well: https://man.sr.ht/privacy.md

It's not clear what sort of thing you're referring to, it's generally not possible to make a service where you have accounts and billing, that simultaneously doesn't store your information. The whole point of it is that you want it to store your information.

Nobody is an absolutist statement. The people hosting this code clearly didn’t give this much thought. People downloading it likely won’t either.