For a low IQ person, living in a modern world is very hard.

so autists have low IQ

Knowing which plants are good and which are poisonous takes quite a bit of IQ.

wrong :D

but just keep stuck with ur reductionistic viewpoint on intelligence
which is the underlying problem here

orca also have low IQ and are way more intelligent than humans :D

IQ may relate to conditioned "civilized" human beings
but they could not survive a week in the real wild

our wild ancestors could - and also built whole culture and "civilization" ontop