Copy shops are still around. They’ve just been taken over by shippers like FedEx and UPS. Staples also does batch printing, and I would guess other stationery stores do as well.
Trouble is diabetics, and those similarly afflicted, can’t wait for the “market adjustment”.
I’ve always felt that The Invisible Hand theory doesn’t take into account the effects on real live people, only on artificial entities. Maybe that worked before megabucks and mass markets, but it doesn’t now.
The Telltale Doorbell.