A recent article from another paper discussed whether hostile and angry bloggers and commentors kept people from contributing to online news sites. The answer was "Yes" - trolls and hysterical angry writers discourage some from participating.
On this site, there are some snarky people - which is okay, many people like a good snark now and again.
Then there are the other people - the ones who put out misinformation and do nothing more than attack other people, rather than their opinions. These people have no "netiquette" - they shout (all capital letters) and make rude remarks. They attempt to discover who is posting (cyberstalking) for who-knows-what purpose. They don't discuss facts or even opinions - they just insult and attempt to demean other writers.
Has any of this type of behavior discouraged you from commenting on any story?