Comment by satvikpendem

It depended on copyright as the legal structure to uphold itself, a means to an end, not the end itself. As another comment in this thread nearby says, the point was to support the four fundamental freedoms and ultimately a world without copyright on code at all.

And on the first part about AI reading your code or training from it, it does seem like it's legal now, while you as a human reading and porting is not.