The longevity of NAND flash is still very questionable, particularly modern high-density TLC/QLC:
replyhttps://news.ycombinator.com/item?id=43739028
SLC and early MLC should be OK for at least a few decades if not very worn, however
Indeed, some create master disk images with forensic tools, and physical drives:
replyhttps://github.com/keirf/greaseweazle
Then use clean disk images on USB floppy emulators for old equipment:
https://github.com/keirf/flashfloppy
It is rare to need these tools, but for some folks it is important. =3