Because furries play the hardest because they are such nerds and play hard to make up for the fact that they suck and can say that they are good at something even though they are sad lifeless wads of fatty flesh filled with fat and flab.
NEVER CHANGE, Zajajajajajaja! Every pro-medic-squad needs a Zajajajajajaja! Every TF2 server needs a Zajajajajajaja. There is just not enough Zajajajajajaja to go around.