Before 1970, all signs were made by hand […] The advent of the Gerber vinyl plotter really completely upended the industry.

The move away from handmade signage into that into digital, mass-produced signs, and the later resurgent demand for hand-made work is a microcosm for when a tool or technology makes something easier, democratizes it, it also commoditizes it, but then there becomes this newfound demand for quality hand-made craftsmanship.