For people who use discord a lot (and to be totally honest, I’m one of them, I even ended up changing the liftoff theme colour to the old discord logo colour by instinct) it feels like it’s just as easy to use. But you’re right, it’s not a replacement, and it can be hard to keep up with no easy way to scroll through feeds or anything similar, no matter how much discord tries to implement them. It will forever be, at its core, a messaging app.
So I think it boils down to how used to using discord you are. If you’re going to discord to replace reddit, you are bound to be extremely disappointed by the results. It’s not designed to do that. And a lot of people aren’t realizing this.