That and it ran at 640x400, so more screen real estate.
So people would use the Macintosh emulators on them (piece of hardware that plugged in the Mac ROMs and some floppy adapter stuff) and get a machine far cheaper than (and superior to) a standard Mac of the time. Biggest problem was getting the ROMs.
If I recall the products were SpectreGCR & Magic Sac.
https://en.wikipedia.org/wiki/Spectre_GCR
I never did it, but knew people who did, and they were very happy with it.