I would say author meant not "create from scratch" as in "reinvent the wheel", more like be a creator who is making conscious choices. You can still be a creator by making a remix using samples created by other people. Difference is that you just don't blindly copy-paste with a bit of tweaking so it "fits", but to know what you do.
That's a reasonable conclusion. If that was the author's intent, I think it would have been helpful to have described that further. In particular, I've noticed (anecdotally) that many early-career devs tend towards trying to code their way out of problems like it's a test or challenge.
