We live in the Free Market. If someone is selling tomatoes, they will ask what they consider the best price for them and, if what they're offered is below what they're prepared to sell them for, they won't sell them, and no-one will force them to.
Why shouldn't people sell their time and labour on the same basis? What's sauce for the goose is sauce for the gander.

In a free market, a company who makes ketchup has the freedom to find the grower who provides the best tomatoes at the most competitive price. A grower has the right to get the most he can for his tomatoes. A tomato, like airline labor, is a commodity in a "free market". No grower can hold the ketchup maker to a captive price, and no ketchup maker can hold a grower to same. If they can't come to agreement on price, both are free to seek other growers or manufacturers. That, Backwoodsman, is how the free market works.