I think it's more the humans who cling to superstition and deny demonstrable reality who will not be able to evolve or grow...

But the "unsupportable assumptions" (which i have called demonstrably false) have to be the bathwater, not the baby, unless you want to throw out the baby and keep the bathwater for some unknown reason, maybe hurricane prep, we are supposed to be having water at hand (doesn't it occur to anybody that the hurricane brings a lot of water with it?)...