Interesting point from the hack-a-day thread of comments[1]:
"This article lashes out pretty bad against TI. Please
keep in mind what they have to lose here. It’s not about
keeping software proprietary.
It’s keeping their calculator OSs standardized so they can
keep their approval for national tests such as the
ACT/SAT. I.e. a TI-89 is not allowed on them, but if some
hacker can force an 89 OS onto the 83, then that would
mean the TI-83 couldn’t be used either.
I’m all for hacking something, but TI stands to lose their
entire market share because of this. Keep in mind your
ethical responsibilities. Hackers have it too. A site like
hackaday should hold it in much higher regard."