If people are debating Sims 3 then to be honest, the Sims 3 section is where it belongs as it is relevant.
People are allowed to express negative opinions just as you are allowed to express positive ones. Unless it gets nasty/personal/rude/offensive then it's a healthy discussion. If you're going to let the fact that some people don't like a thing drive you away from a site then you really need to do a little inner reflecting and, as Paden suggests, grow a thicker skin
