Honestly, I don't think funding is actually actually thin, I think a far more important factor is without a doubt the fact that people who hold the purse strings at the highest levels, unfortunately have made their purse from industries that would be consumed as a result of them opening their purses for research.
Definitely need to pull in some quotes from Wheeler's Geons, Black Holes and Quantum Foamuantum Foam]], his work with Niels Bohr, and Werner Heisenberg, and Gregory Breit are great examples of the benefits of scientific freedom.
What does a young researcher need at the beginning of a career? ...freedom to experiment, freedom to try new directions, freedom to make mistakes, freedom to think without distraction. - John Wheeler, Geons, Black Holes and Quantum Foam.
It should be noted that there was a time when the social structures of science allowed for such ideas and scientists to make their way to the top, we found Einstein in a patent clerk office.