Without the community revolt.chat is just another Mattermost or Matrix.
Discord is popular for one reason and one reason only, all the young people are there. The secret is how did they get popular with young kids? Well they offered a free service obviously, just like Google, just like Facebook.
I've been trying to explain this to a friend recently. You're only on Discord because they took a huge loss for many years with the hopes of building up a massive database of users.