Huh? Creativity is what humans do! For everything else we find a way to build machines to do it (or enslave other humans :-)). There are very good arguments

Huh? Creativity is what humans do! For everything else we find a way to build machines to do it (or enslave other humans :-)). There are very good arguments that constrained creativity is the best creativity -- or perhaps the only creativity. Just choosing a medium or style for your art is constraining. Making a web page is constraining, making chocolate cake is constrained by certain parameters. I think what you're looking for is "expressive" -- and I'd agree, scientific discoveries are by necessity creative, but usually not expressive. But that's not really an aim...