One way to look at employment is that it's your responsibility, as the employer, to know how much a job is worth to you; it's their responsibility to perform that job.
If you're having people do something that's not worth what you're paying them? I would say that sounds like you're not running your business very well.
Example: I'd like to hire someone to sweep floors every day, but a self-emptying Roomba is $949. At just 2 hours a week, and buying a new one each year, the Roomba costs less than $10/hr. At $15/hr minimum wage, I could buy a new one every other week and still save money. I'd rather hire a person who needs work, giving them a leg up to a better paying job, but between the state threatening me if I pay what the work is worth, vs the cost of buying robots to do the job, someone doesn't get a job.