Novelty?
Notoriety?
Not knowing any better?
Whatever the reason...somehow, someone, somewhere, is (probably) whaling away on one of these on a week by week basis.
If it happens to be you, can you please describe the adapters/hacks you used to get it up and running with a modern machine?
(Bonus points awarded for anyone still using the original 1983 chiclet* keyboard.)
*Robotron Z1013/Timex Sinclair/Atari 400 owners excepted, of course, because let's face it: even Big Blue's crap chiclet keyboard would still be an improvement over those keyboards.