to the OP - much the same logic was espoused by crazy bulls after Katrina wiped out New Orleans, and even with the WTC. There is a modicum of sense in the theory, although it fails to take account of other, more important factors at work.
If we were to accept the theory, then perhaps the planet will eventually be rebuilt better than before once the human race has been removed, much like it eventually reconfigured after an asteroid extinguished the dinos et al...