If you don't like the idea of giving your data to Discord to enter adult servers, the good news is you've likely already given enough information that it doesn't need to do that. I'm sure you're happy to find out.
In its latest blog, Discord clarifies "it is not requiring everyone to complete a face scan or upload an ID to use Discord" and that the "vast majority of people can continue using Discord exactly as they do today, without ever being asked to confirm their age."
