In regards to SpaceX that is simply a mischaracterization, they do not receive subsidies they have contracts with the government. SpaceX received money from NAS

In regards to SpaceX that is simply a mischaracterization, they do not receive subsidies they have contracts with the government. SpaceX received money from NASA to help develop its Falcon 9 rocket, but this is little different than other procurement programs, and was just a component of a large ISS cargo delivery contract, the bulk of which is a straightforward deliver cargo get paid / don't deliver cargo don't get paid system.