The idea is good, but why limit it to a professional headshot?
With approximately the same amount of effort / compute the portrait can be put into a large number of circumstances where people enjoy being portrayed: backpacking in a forest, a night in opera, on a deck of a cruise ship with ocean around, any tourist attraction in the background, etc.
With approximately the same amount of effort / compute the portrait can be put into a large number of circumstances where people enjoy being portrayed: backpacking in a forest, a night in opera, on a deck of a cruise ship with ocean around, any tourist attraction in the background, etc.