The problem there is that it is certainly possible to legitimately post hundreds of times a day. I mean yes, someone who posts or votes too much could be a trol

The problem there is that it is certainly possible to legitimately post hundreds of times a day. I mean yes, someone who posts or votes too much could be a troll. Or they could be a perfectly good, yet exceedingly dedicated community member with a bit much too much free time and a lot of passion for a subject. Limits like those tend to screw over more active users in general.