Every day we come across more and more examples that show just how many idiots there are out there, and because of that signs have to be painfully obvious so that even the dullest tool in the shed can understand. Combine that with the fact that everyone is trying to cover their asses these days, and the signs below are created. Take a look at some signs that prove our collective IQ continues to decrease.
Via Pleated-Jeans
Plenty more where that came from: 18 Of The Dumbest, Most Unnecessary Signs Ever Created