Reading that dark themed page I got a headache from my eyes going squirly, need to go get some acetomenphin or something, completely lost focus of what the content was saying. As far as the title, some people can be toxic, sometimes we all can, it's human nature. We just have to strive to do better.
I've been gaming happily on Linux for years. Top and/or good games like Dying Light, ARK. The rest I played using Wine with tweaks. Proton is great and Valve should be applauded but the future of gaming on Linux or Linux Desktop in general doesn't rest now on any one company and it never has.