research scientist claim that if burning of religious books catches on the resulting CO2 emissions will return Americans back to the dark ages, not only beacuse of the dark smoke. However this might turn out to be significant progress as a lot of them, similar to their fundamentalist Muslim friends seem to have been left behind much further, probably more in the iron age, having only learned to handle basic things such as lighting of fires by primitive means. Those people seem to have bypassed or more precisely missed evolution by denying its existance. Even the addition of vitamin B seems not to be able to rescue them from their loss of brain function.
It might be that it will eventually lead to their extinction on the whole. The only loss to humanity will be the inflicted colatteral damage to the more intelligent part of the species by their lack of intelligence design, as the primitive fundamentalists have failed in developping a sense of differentiation. Therfore they tend to destroy fellow humans in a more or less random fashion. It is hoped that eventually heavy interbreeding will deplete their gene pool before the colapse of the sun.