That's why I said it partly moots the issue, not completely. Yes, you could conceivably still run afoul of copyright in some cases, but at first blush, this seems like a precedent that will make it very unlikely that that would happen. I guess time will tell, but that's my initial perception. IANAL, of course.

"We shall assume, but purely for argument’s sake, that the entire Sun Java API falls within the definition of that which can be copy-righted. We shall ask instead whether Google’s use of part of that API was a “fair use.” Unlike the Federal Circuit, we conclude that it was"