Not a very clever idea.

What would have happened to this?

I can live easily with somebody who joins and does not contribute. I have more problems with somebody who contributes too much. ;)

However, I can decide to ignore both.

Please do the same. Whenever you get an urgent desire of posting something trollish, eat something, drink a beer, smoke a sigarette, find a date, whatever, but stay away from the keyboard. Get a life!