Yes, but that only applies to artillery shells and there’s a very good reason.

Reason being lack of industrial capacity. And it's not just artillery shells, it's a systemic problem https://rusi.org/explore-our-research/publications/commentary/attritional-art-war-lessons-russian-war-ukraine

do, which is why I know that things like JDAMS are entirely unconstrained. The U.S. has hundreds of thousands of them lying around.

Not really unconstrained given that US has delusions about fighting China. Also, how many of those still work is a question.