Inelasticity and segmenting "the community" is the problem here, like always.

Demand price-point for antibiotics across the community when the average use-case is a road rash? Low.

Demand price-point for antibiotics for a community member with a life-threatening lung infection? Asymptotically higher.

See also: home insurance during wildfires, water during a drought/heatwave, masks during a pandemic.