DS; why are some people on here so insultive?

they are not just insultive, they are downright mean in some cases and so unnecessary ... and it is the dog section only ... i answer questions all over the place and rarely receive a thumbs down ... before i even finish typing in the dog section i can already feel the thumbs down ... i can answer the exact same way as another person and that person will get a thumbs up and i will get a thumbs down ... i do not insult people when i answer, i say what i think from my own experience ... i am not mean to people, although sometimes i do answer when i do not agree, but merely my opinion and then i get followed around and thumbs down on everything ... and i really am not complaining, i do not care if people thumbs down my answers, because the only thumbs that count are the upward ones and i get plenty of those too ... what i do find surprising is how some of the "top contributors" (and i say some) are so mean and negative and name calling and obviously inappropriate responses but for some reason their rants are allowed to stay (and i know the "top contributors" will be be thumbs downing me for this comment but as i said i do not care) ... dog people think they know it all, regardless of their actual knowledge or experience ...