Nothing causes live discussions and debates like negative comments. While people become actively included in a certain topic when they are deeply interested in it, negative comments make everybody participate in a conversation even though they are not interested in the topic.
Yeah, you might not be interested in politics, but a negative comment about your political stupidness will trigger you to talk about politic matters. Yeah you are not interested in politics, but you are interested in defending your ego from being labeled a fool, this is the effect of a negative comment.
One of my close friends is so competent on making negative comments on everything others say, and we usually and up in two sides where we try to defend our arguments. Yeah it is not always nice to have strong debates with 6 people, but I am saying that things become boring if everyone answers positive and agrees on everything he hears from others.
Negative comments instead are very good start points to spark debates and lively discussions. The only ability everybody needs if he is always includes in such negative comments is “don’t take it personally” ability. Negative people just do that without having any clue or thinking too much about it, so if you hardly react against such comments you will appear as not quit, as angry and in loss of control.
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