Because - it's the part people are having hard time to accept - creativity was never the hard part. It's randomness. The hard part is navigating the narrow border between "not enough random, therefore boring" and "too much random, therefore unhinged/insane".
That border is determined not as much by ground truth, as by people's sentiment. As such, many famous artists and creatives never succeed navigating - their contemporaries would call them crazy, and then decades or centuries later, the border shifts, and suddenly they're remembered as greatest creators of their era.
