Didn't this hacker make a replacement OS better than TI's? I don't think TI will face serious competition from clones, except possibly in Asia and third-world c

Didn't this hacker make a replacement OS better than TI's? I don't think TI will face serious competition from clones, except possibly in Asia and third-world countries. This hack doesn't even help in making clones, except maybe by giving engineers a chance to practice programming calculator OS's.