You seem to have misunderstood the meaning of the word "troll".

A troll is someone who posts something contrary or inflammatory solely to illicit an intended reaction. It has nothing to do with attacking or insulting people (though those are a means of doing so).

For example, if a poster goes to a pro-life forum and make a new thread saying "I am fine with abortion, they're not alive anyway", then that person is being a troll. They are inciting argument by posting an unpopular opinion solely for the intent of inciting argument. Similar but to a lesser degree is someone who goes into a cycling forum (especially a fixed gear forum, where the predominating opinion is that foot retention is invaluable if not indispensable) and posts that there is no advantage to riding with foot retention.

So please, don't misunderstand. If people liken your behavior to that of a troll, they aren't accusing you of attacking people. They're accusing you of being unnecessarily (and likely, disingenuously) inflammatory with your positions.