why would anyone buy warz?

It still exists, it has just been renamed without any reference back to the original title.
The metacritic score has been removed from the steam page too. (although I wonder why it's allowed on steam again after it was removed for false advertising)

New name is Infestation: Survivor stories Steam Store link

Last time I checked this was the interwebs. What you said will never happen on the internet.

What? No! You must think the way I think or your existence should not be allowed in this world!

+991

We all actively and passively attempt to influence each other everyday. The OP is trying to (albeit less than eloquently) save others from wasting their money and feeding a beast that many of us would rather see die.

If people banded together more often, and had a bit more resolve and discipline perhaps we would have fewer EAs and more Double Fines.