It's a legal trick that doesn't actually work. Sega tried the same trick and lost when they took it to court in 1992. https://en.wikipedia.org/wiki/Sega_v._Ac

It's a legal trick that doesn't actually work. Sega tried the same trick and lost when they took it to court in 1992. https://en.wikipedia.org/wiki/Sega_v._Accolade https://en.wikipedia.org/wiki/Sega_v._Accolade