If it is art that other people value then that framework already existed
From Wikipedia on Vincent Van Gogh:Van Gogh's work began to attract critical artistic attention in the last year of his life. After his death, Van Gogh's art and life story captured public imagination as an emblem of misunderstood genius
The art we get from pre-made frameworks emerged because people figured out they like art, and then someone capitalized on that. Or in cases of monarchs and governments, they created a fund to allow artists to do their thing instead of waiting tables.
There is a compelling argument that tens of billions of dollars being used productively to research anything would have at least some useful results.
For every $1 spent on the moonshots, we got $14. Feel free to look for other investments, but big science really has proven itself.