Oooooh boy. Get ready for another 200-comment-long flame war thread. :p
Possibly... but it does bring out issues about intellectual property rights.
And if the PowerUP developers didn't want to modify their boot code for a competing product, well at that point WarmUP developers were free to develop their own boot code.
After all, if their solution is that superior, they shouldn't have a problem creating such a small piece of software.