It isn’t, but Idiocracy while arguably not as bad as humanity dying out is still pretty bad.
If we devolve to the extent of no longer being able to cope with anything more complicated than chasing animals with sharp sticks, that would amount to humanity dying out.
If we devolve to the extent of no longer being able to cope with anything more complicated than chasing animals with sharp sticks, that would amount to humanity dying out.
It has been suggested that Homo floresiensis devolved from a bigger brained hominid—the ultimate in idiocracy.