Sampling is an art form if properly attributed (and possibly even without; whole genres are built on the premise), especially if it elevates the original work.
That's not to say copyrighting ML derived creative works is the way forward, but that creativity has bearing wherever a 'medium' can be manipulated.
That's not to say copyrighting ML derived creative works is the way forward, but that creativity has bearing wherever a 'medium' can be manipulated.