Most HN readers know what Cloudflare is, know that Cloudflare occasionally blocks legitimate users for no good reason, and know that if every Discord user is unable to access the desktop app because Cloudflare is blocking their entire userbase then the Discord on-call engineers are almost certainly having a busy day.

If you're interested in learning what Cloudflare is and how to use it, you could read https://developers.cloudflare.com/learning-paths/get-started..., or if you're interested in reading some material that's more critical you can see the previous discussion about it at https://hn.algolia.com/?q=cloudflare.