Yes it is. It solves problem doesn't it? Maybe those problems don't frequently come up, but I'll be damned if it isn't practical for a niche set of problems. Y

Yes it is. It solves problem doesn't it? Maybe those problems don't frequently come up, but I'll be damned if it isn't practical for a niche set of problems. You may want to change your definition of "practical" so that's it broader than business applications.