So here I have a "theory 10" -
THE PEOPLE go "meh" when faced with something like Hyperloop, but are excited to tell their 500 friends what they had for lunch at the push of a button. Hence the investors go "who cares?" and hence the "entrepreneurs" go "hmm, I better think about more efficient lunch sharing".
People need to be told something like "folks we're going to throw $60B of your tax money (an amount that would rid the hungry part of the planet for 2 years) at a transport system that you won't even be proud of, won't be that much faster or safer than air travel" to get a non-meh reaction to hyperloop. Even then, fast travel between SF and LA is, perhaps, a solved problem according to common folks - just fly already. Heck, you don't even have an interesting view during the trip according to the proposed designs.
On the other hand, post after post on HN talks about cool materials, 3D printing, maker culture, break through science, etc. So funded innovation is happening, it would seem. Just not in the main news very much perhaps.
And here is a "theory 11" - the common folk may actually <shock!> be satisfied with the status quo? Innovators often talk about a persistent dissatisfaction with the status quo as motivation for their work. On the "eastern" side of the planet, this dissatisfaction itself would seem to be the one that needs addressing .. i.e. being happy and contented is not the problem, but the lack of them is.