The point of many of those companies is to get bought out and then get enshitified or stripped for its IP and integrated into for profit products.
Discord is very much in the same boat of build user base, then either sell or lock people in and charge a lot. It's current model is unsustainable. It will get bought out or enshitify eventually, there's no other sustainable model unless every user starts handing them money every month like its Netflix.
People here used to know this, are we getting an eternal September? Comments are getting more and more "reddit" like.