It's a non-confrontational way to express disapproval. It helps to keep the discussion civil, as opposed to jumping the gun and calling people names, which woul

It's a non-confrontational way to express disapproval. It helps to keep the discussion civil, as opposed to jumping the gun and calling people names, which would just elicit animosity. Additionally, it gives me an easy way out if it turns out I was wrong: no harm, no foul.