This is a website for gamers and most gaming enthusiasts have a decent PC because it offers the best gaming experience out there. They also often have consoles.
People are frustrated because the PC offers such a great experience and too often developers focus on consoles to the detriment of the PC. A classic example of that is Halo, which was originally shaping up to be an excellent PC game but ended up becoming a console exclusive - it was a worse game as a result and gamers suffered. Personally I can't be bothered with consoles because image quality is important to me and 1280x720 - often at 30fps - simply doesn't cut it for me. I game at 2560x1600 at 60fps and consoles can't even come close to that.