Superstition is exactly how I would describe some of these people driving around with masks on in their car with their windows rolled up... (and at this point pretty much anywhere really). I guess this is how superstitions start.
FLATTEN THE CURVE
Nobody disputed that over time almost everyone would be exposed to COVID-19. The issue was how rapidly that happened, because if it happened too fast, public health systems would be overwhelmed, and then completely treatable injuries and conditions (under normal circumstances) would become potentially fatal.