If you’re not doing stuff with them; not much point.
Since these devices have ARM processors, they can be embedded to places that doesn’t need high power and contain smaller volume; unlike PCs. You can host your a Jellyfin server on one, host a pi-hole so that you filter out every internet traffic from ads on another. Maybe a small FTP server that you can use as cloud storage?
It’s difficult if you have disk encryption on the same drive that you want to install Kinoite. Otherwise, its just a matter of setting drive partitions.