Sensing an opportunity, a private equity group called American Industrial Partners (AIP) began to roll up the industry.> As usual, things are the way they are because of unregulated capitalism and private equity being allowed to do whatever they hell they want.
This is exactly what happened - and why. Capitalism is a healthy system where it is a healthy system. Beyond that, capitalism is either: Beneficial thru flexible, effective governance. Or not beneficial. That's every possibility.
Exploitive manipulation of the firetruck market lies outside of the healthy-by-default area of capitalism.