Please have a look at this about Discord Terms of Service:
Looks like that’s based on an outdated TOS. Even then, those terms are pretty tame except for the one about transferable license for uploaded content, which has thankfully been narrowed by a lot in the current TOS. (Now it just means: We’re allowed to store your images on S3, resize them, and show them to people you specifically selected to send them to.)
For a company that’s worried about 230 safe harbor, GDPR, CCPA, and wants to promote their first-party products at you, this is all standard.
Also:
This service does not sell your personal data