It used to be you could find a box of photos or keepsakes that you inherited to look back on how things were or when you were a kid. Now, most of that is stored on phones, and most parents probably don’t think to share or save them in a way to be passed down in the future.
You literally said it TWICE in your comment. Why else would I have replied to it??
Also, someone porting ZFS does not make it officially supported, so again, the vast majority of average Joe users will not know or understand ZFS as I stated before.