I would bet money that this is mostly because of nostalgia, and the fact that they are THE most common 68k out there at this point and a good starter machine for someone just getting into the hobby.
YES! I have two of these monitors saved just because I like them so much. I always thought the color quality on them was excellent too, much better than the 13" and 14" monitors that were also commonly found with the pizza box Macs.