Sentence:  A large portion of the Internet audience enjoys <WSD>edgy</WSD> content and the behavior of the more extreme users; it wants to see the bad with the good, so it becomes harder to get rid of the ugly. But to attract more mainstream audiences and bring in the big-budget advertisers, you must hide or remove the ugly. 
Meaning of the word marked with <WSD> tags:  Exhibiting behavior that is disconcerting or alarming, sometimes in an effort to impress or to troll others.