Please read my sibling reply about DARPA grand challenges. This knowledge was built using public dollars by people who publish papers, which are being read today by people building products. That's the great cycle of progress.
Notably DARPA felt the need to do this because they didn't trust private industry to do it on their own; with no money in driverless cars, the government figured industry would get there only if there was some catalyst, which they provided (successfully).
If you only ever go where the work is, then you're going to be left behind by societies that have a vision and leadership that will work to make it real.