. . . creative thinking and ingenuity. There's a sizable portion of people that really can't produce that.
My experience has been contrary . . . I believe everyone I have met, irregardless of their job, has had their own unique since of creativity and ingenuity. However, making money from such things in today's economy also requires a set of very specialized skills and the scope of the type of creativity that can be useful to a given application can be quite limited. It seems like a more sophisticated economy should be able to support a wider range of creative thinking, but it would require a significant change from today's world of overspecialization. I suppose if everyone had access to their own AI that could fill in the gaps in their own capabilities while leveraging their strengths . . .