So what's your fascinating point of view on this common sense
Your view is not common sense. I've played enough to have encountered both the immature people with average skill (and sometimes low skill) and immature people being highly skilled. As already mentioned there are skilled players that create smurf accounts and then trash-talk while outplaying you because that's what they like to do. Immature people with shit attitudes can be found anywhere along the ladder. Further, you classify anyone over rank 1000 a possible noob, a clearly false and condenscending remark, so guess what category of people such a remark would come from?
Since you know I'm right, you might instead feel like remarking about the high horse I'm sitting on? Have in mind that I see lots of terrible posts without starting a debate, but yours stuck out this time.
I mean sure, problem is it's something that's literally never, ever, ever going to change. Threads like this are largely pointless because it always boils down to the same thing. Are there asshole? Of course. And no matter what you do, there's always going to be assholes. The answer is always going to be ignore them and go on with your life.
Complaining about a "toxic" community is such a waste of time. When someone flames they're trying to piss you off, talking it to death and bitching about the community, which you happen to be a member of, is such a terrible way to handle the situation.
Feel free to ignore all you want but don't tell others how stupid it is to react and don't belittle reactions by calling them "bitching". Or else we can stop caring about any wrongs in the world that we can't immediately fix by ourselves. That's an unhelpful attitude for sure.