In much the same way that buying produce makes you a great farmer.
There are uses for both, but job/compensation wise the heirloom grower isn't in the majority.
produce : chef :: code : programmer
chefs use produce to create dishes of food; chefs do not generally grow their own food. the point they were making is that the code is actually the means to the end, not the end in itself. to wit: i do not write assembly.