It still wouldn't hurt to have as an option for, say, a swap disk in RAM instead of the SSD, or expose it as storage to macOS for use as scratch disks, or even

It still wouldn't hurt to have as an option for, say, a swap disk in RAM instead of the SSD, or expose it as storage to macOS for use as scratch disks, or even just use it as a buffer/cache for the flash storage. There are all kinds of use cases where it would be beneficial to have a wicked-fast storage medium working between system storage and memory.