@gomerx There's however a difference between discussing something and arguing senselessly. If someone runs into a room, shouting shit and not listening to anyone else's point of view then that person should be thrown out.
Perhaps you're just not used to some of the more senseless internet discussions that can appear and destroy communities because they're not moderated properly (some hackerspaces get really nasty with misogynistic assholes demanding their right to say whatever they want about anything they want fir example, because "dun censor mah free speech").