Some people are better athletes than others, but anyone who trains will be better than someone who does not, regardless of any innate potential. I see creativity along the same lines. Many folks are conditioned to memorize, follow processes, follow norms and paths laid by others, it may not occur to them to seek out originality. It is another form of learned helplessness. Creating is hard, especially when judged in a…
The same applies in the academic setting as well. When I was doing my PhD, I found myself trapped in exactly this kind of paralysis. I was very good at learning things, so everyone expected me to do well, but I had never created anything, and the idea that I ever could was so overwhelming and foreign that I couldn't even get started. It wasn't until a little over a year before graduating that I managed to get it together, and was lucky enough to pull it off in time.
Part of the problem is the romanticization of creativity, at least in my mind, as if it were an act of heroism or exceptional ability. On the contrary, it's mostly a matter of working and thinking and not giving up. Once you get enmeshed deeply enough in something, you stop wondering about if you're any good at it.