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If you google "saltation", the third entry from the top is "Farting through my fingertips".
From the viewpoint of someone who, over the course of years working in the field of clinical microbiology has seen the damage done by the selective mutation of bacteria to more resistant forms, I'd have to say that sounds about right.
We can argue til the cows come home about the wherefore's of these things, but the fact remains, if we don't succeed in keeping up with the evolution of such organsims as Methicillin Resistant Staph aureus (MRSA) and multi-drug resistant Mycobacterium tuberculosis (MDRTB), then evolution will have succeeded in finding one more way to rid the planet of our sorry selves, irrespective of how long it took us to evolve.