Unfortunately that would mean admitting a mistake - something government minions very rarely do. Instead they’ll spend millions on a study, then more millions on research and development, then still more millions on a pilot project, then the whole thing will get whacked in a budget deal.
All you have to do is to follow the money.
Ask yourself, who benefitted financially among our congress critters when US Armed Forces changed from .45ACP to 9mm Luger?
Probably the same guys and gals who also promoted those silly wind turbines and solar panels.
Being a congress critter can be a very lucrative business.
This is the opportunity for the left to demand all new military sidearms have biometric based security... and then force it on the plebians across the nation.