Discord's killer feature for my money has always been that ever user in a call gets a slider bar (and mute button) to control the volume they hear ever other individual user in the call
Zoom, in 2025, still makes you wait for the host to figure out which of the 30 other people has a dog incessantly barking or is causing the echo or has horrible feedback, and then try to talk them through fixing it before finally muting them.
We had that in Teamspeak/mumble/vent, but the chat functionality on those platforms were definitely an afterthought. Not a place you'd cultivate a community.
Zoom, in 2025, still makes you wait for the host to figure out which of the 30 other people has a dog incessantly barking or is causing the echo or has horrible feedback, and then try to talk them through fixing it before finally muting them.