It is missing to address the problem that wages are not comparable across all parts of the US. a 100,000 salary is on the lower end for a software engineer in C

It is missing to address the problem that wages are not comparable across all parts of the US. a 100,000 salary is on the lower end for a software engineer in California while it is beyond upper end at Alabama as an extreme example. So, the policy is to just say more expensive places win at the cost of emerging states?