No, non-gardeners do not suddenly become gardeners overnight.
Assuming that growing becomes decriminalized or legal, then it will start springing up and apartment dwellers will start buying kits.
It takes a little time for something like that to catch on, and for the novelty of paying so much for store bought, to wear off.
It is baffling why you think growing plants is such a big deal, and unlikely to catch on, even on a thread talking about the plant selling for $3,000.00 per pound, that people are perfectly capable of growing themselves.