There are many posts in that link. It's obvious you chose only one of them and read it. Please read the other posts, INCLUDING the ones where Blaze was being belligerent.
That guy has stalked and harassed people simply because they didn't RP the way he wanted them to. And when they didn't respond with praise toward his OC, he sent them all kinds of threats, including rape and death threats. All of that, just because they didn't like his OC.
This post on PastebinThis post is someone else's views on Blaze and further explains what he's done much better than I ever could. The person in question had personally dealt with him in the past.
s1282.photobucket.com/user/Neo…s1282.photobucket.com/user/Neo…s1282.photobucket.com/user/Neo…s1282.photobucket.com/user/Neo…s1282.photobucket.com/user/Neo…Those screencaps also give an idea of what he's done. They're also present in the original post, but pastebin doesn't really use screencaps that well.