I too was affected by this. The root cause was the CFC bans [1] to save the ozone layer. The old inhalers used CFCs and therefore could not be used anymore. New technology had to be created that used a different delivery mechanism. Profit incentive is what caused that new delivery mechanism to be created.

[1]: https://en.wikipedia.org/wiki/Chlorofluorocarbon#Regulation

Regardless, even if you can find some legitimate counter-examples it doesn't negate my premise in the same way that anecdotes are not data.