I've been a reader of Gamespot since 2004. It was at one point my favorite website. But I've seen it decline so much over the past few years. The site made lots of mistakes which degenerated the community and solidified it as a site full of nasty trolls rather than decent people with intelligent opinions.
By the way, I really like Kevin VanOrd and he's been doing good things for the site. He even answered one of my emails to him about the objectivity of game reviews. He gave me a really long insightful reply and I am kicking myself for accidentally deleting it. That letter was pure gold!! But the point is that GS's greater administrative decisions outweigh all the good Kevin has done. I also like Cam's reality check, by the way.
But there are big mistakes the site made which ruined it for me.
Mistake 1 - Firing Jeff Gerstmann
It hurt the reputation of the site and it lost some of its best reviewers.
Mistake 2 - Allowing rudeness in System Wars
Mods decided to go along with the nastiness rather than stop it, so the good people left and the trolls remain.
Mistake 3 - Feedbackula
This series not only encouraged nasty degenerative comments, but it brought the GS staff down to that level.
Mistake 4 - Deceptive News Titles
Often times the news articles here are very good and well laid out. But far too often, sensationalist titles and clickbait represent the site and drag down the quality of the Gamespot brand. We don't need any more news titles calling Valve "the Half Life 3 developer".
Mistake 5 - Firing the Writers
The process of dumbing down this site into a clickbait archive rather than having digestible intellectual ideas has finally been complete. But it wasn't without the help of all of the above.
Oh, how the mighty have fallen.