I think you'll find that nobody was saying that. Just that music, performed by a human with interpretation and/or character, is better than music, performed mechanically perfect by a computer.
... this is just strange, to me. Whole discussion that's been along these lines has been. Are all of you really so unaware to the fact that a computer can be made to perform imperfectly? Usually with a fair bit of ease. Setting something up so minor variations (which is, y'know, all that interpretation and/or character
is, mechanically) are introduced into playback is... not some kind of eldritch knowledge from beyond the stars. It's literally just an extra bit of code or a particularly designed bit of hardware. Games do it all the bloody time; the entire field of procedural generation is based around that exact concept.
Dwarf Fortress is an example of some of the methodologies involved!
Don't think we're at the point we've got the software/hardware that can take a look at a crowd and improvise on the fly based on their reactions yet, no, but I wouldn't be surprised in the least if we do before I'll start being statistically likely to die of old age related complications. Y'all are
seriously pigeonholing the technical capabilities of artificial music production and the (few) likely limitations on its future development.