Read the article. He copied the BIOS code straight up, including the copyright notice itself. That's blatant copyright infringement.
This was not understood to be so at the time, and the resulting court case was THE precedent that says that it is.
Franklin even won the initial case.
https://en.wikipedia.org/wiki/Apple_Computer,_Inc._v._Frankl....
who, benjamin franklin?
Sorry, they--i.e. Franklin computer.