They lived off the land. No industry. No need for wheel.
What the heck they need a wheel for?
Take your wheelbarrow out in the bush. See how far you get.
If you actually looked into it, you would find that indigenous people actually possessed remarkable ingenuity to deal with their environment.
“No need for wheel.
What the heck they need a wheel for?”
Well, it makes grinding grain (which they did do) a hellofa lot easier, that’s for sure.