but private industry can do this better and cheaper..and the price will come down if government stays out of it..
It is private industry (companies) doing it, with our money. It wont be cheaper to him if taxpayers don't pay for it. It would be cheaper for taxpayers. I hope you understood that point.
The theory behind spending taxpayer money on it, gambling with it really, is that private industry wont/cant gamble on risky technologies the way the government can. This is the argument they make.