If there were no minimum wage lots of people would work for less money.
Negotiation. In the professional salary world what you bring to the table is what matters and you negotiate for what you are worth.
In the wage world any barista can be taught how to draw a leaf in foamed milk but if you can do the latte Mona Lisa you could sell Dollarama coffee but there would still be a line of consumers who will come back again.
If the artisan foam finger is paid his worth which is 1/4 of the cost of premium roast and consumers are willing pay for an inferior product it's a big win for management.
Wheat and flax went in last week. A good rain yesterday has it perfect to finish barley and canola this week. If it hadn't rained I still had a 3 week window to pray for rain.