As a German I need to tell you: nope. Nothing in your comment makes sense. Please don’t try to educate people about stuff you are clueless.

At least you are a good example for the Dunning Krüger effect.

I want something that works like Discord for my gaming group (~120 people) and is self-hostable with a single „docker-compose up -d“.

But I started looking regularly for alternatives, and we will get there :)