The same people who don't "believe" in evolution (like the concept is the Toothfairy or Santa Claus) don't understand that by wiping out "99%" of a horde of bacteria that numbers in the billions, they are leaving that 1% behind resistant to common chemicals. Therefore, all that's left to breed in your home is a horde of mutant, super bacteria! Bacteria that can really hurt you, that can't be contained with a chemical wipe available at the grocer, and will MULTIPLY! IN YOUR HOUSE! You people are pushing evolution to its finest--when only the strong survive, that's all that reproduces. You understand reproduction, right? Put two and two together.