I like Discord but I get that it's not for everybody. Jumping into a very active wide Discord community (with many channels) can be an incredibly jarring sensory assault, and if you don't have a narrower community (e.g. a private server for just your friend group, or honestly just a server with very few channels to keep track of) to figure out things, it can be very off-putting.
That said, the reason why so many people want to go to Discord is pretty hard to miss: out of all the alternatives, it's the one with critical mass now. Even if everyone is distributed across different servers (to be clear to those less familiar, a server is not a physical/virtual host) and cannot directly interact with one another, the network effects are readily apparent.