Because why the hell not? I mean why do you watch YouTuber play a video game? Why do you watch Video blogger to do video blogs on YouTube? To see and watch how they are doing it and enjoy what or how they do it.
Its just like any other monitor out there when it comes to resolution and refresh rate, however it has black equalizer, then it has more great features.
Yes, they're good... They're made specifically for gaming. CS:GO tournaments have them as well.
Yeah, but 27 inch all the way bro.