What's the issue? Per iMore:
There are numerous reports from M1 Mac users that macOS is giving out worrying hard drive health reports which could indicate severe life span problems.
2TB 16GB model. 3% used.
That means that for a 256GB model, proportionally, you'd expect ~30% usage.
If this is accurate, some of these machines aren't going to last half a year to 100%.
And that's a 16GB model. 8GB should be worse.
While it sounds pretty bad - especially considering Apple's exorbitant storage prices - it is unlikely to be anywhere near as bad as it sounds.
Why?
Some context is helpful.