Well of course if you sell it
Proper "cheating" is not about wreaking havoc. Although there are plenty of weird people who do weird things - but cheats are not a problem, they just enable those weirdos to do weird things.
It's just automation, all about offloading work to a machine - a principle that the whole human civilization is built upon. And developing an aid that actually helps you to improve is - surely - a personally gratifying experience. If someone has difficulties doing something the "intended" way, but can think of and implement an alternative approach to achieve the same effect - that's just humans being humans, it's as fair as life can be.
Who says they're not?