Most of human history we didn't have electronic distraction devices and we have one Michelangelo; the answer is probably not as many as the question implies.
Either that or genius has coincidentally clustered around where the resources have been.
The world could be so much more vibrant if everyone was supported and nurtured.
In such a world, many might find much less need to distract themselves with trivialities.
We've collectively arrived at point where we could have a post-scarcity society where the arts could be a driving force for so many of us. It's painful to see these possibilities and know that they are out of reach because of the sociopaths who have power over us.