there is a option "help share videos being played" in "my settings" where you can opt-out from using torrent. it'll use http then. i've never had any problems though. (my internet connection isn't from the 90s anymore.)
That's the problem with freedom. But it's the wrong thing to restrict freedom for everyone in order to accommodate for such people.
In a democracy you also put up with right, extreme and or stupid people. and for a good reason.
I believe the correct way to handle this is to moderate, write good tools to assist with moderation, block them / don't federate with these instances.
But it's probably alarming that alternative platforms could be associated with those people.
i heared you can use rocket.chat for all your discord needs.