That they get propped up is a major reason no competitors appear. No one thinks it's wise to try to invest a huge sum, when their competitors are entities backe

That they get propped up is a major reason no competitors appear. No one thinks it's wise to try to invest a huge sum, when their competitors are entities backed by governments. It wouldn't be that long for new companies to pop up if the only two players collapsed. People can just buy the existing facilities for making parts and assembly.