I don't think people actually understand how market forces work and how trying to distort the market inevitably doesn't (but may win votes in the short term).
THIS!
Right now, in the U.S. minimum wage law, there are exemptions for the mentally handicapped. Why? Those are the most vulnerable. Shouldn’t it be in place especially for them? The reason is clear: if you require an employer to pay more than the value of the labor, the employer refrains from hiring. Just like if you set the price of an apple to $100 by law, nobody would buy apples anymore.
But a politician can go to apple growers and give them a load of crap about how much more revenue they would get if only they would vote said politician into office.
Those that vote this way can’t see just a few steps down the chain of causation.