theymos makes the point perfectly. We don't want to be dishing out negative trusts right, left and center as this doesn't achieve anything and more often than not results in a false positive. Think of it as a person rather than account, and how you wouldn't be so trigger happy at someone for committing a petty crime.

If it's Blatantly obvious and it's becoming a problem then we can have a look at the situation together over in the reputation section on a case by case basis.