Because the scale of the subsidization is unimaginably different.
It's that old saying "if you owe the bank $1,000 then you have a problem. If you owe the bank $1 trillion the the bank has a problem.
Chomsky has argued this, that we dump public funds into entities that end up being completely private. This is even worse than what happens in China. Because the government loses the return in investment and ends up being "purchased" by these corporations and their ilk. It's really a sick system.
I certainly would like to see Thorium get some love after basically 50 years of being mothballed moth, and the same goes for the rail system within the United States.