Buy more...even at current prices. You will thank yourself if/when you need it.
I have as many as I can reasonably use, but never as many as I want. Anmo’s the thing.
You are mostly right. One unavoidable problem even for those who are the most pro-2nd Amendment is that firearm technology always changes, usually for the better.
Think of ARs a decade or more ago, handgun technology a la glock, and so on. My vet buddies point out that they are ready to begin printing whenever necessary.
Plastics, better loads, more firearm improvements. Hell, we don't need every last model in the gunsafe. But the advances never really stop coming.