So at the start of the Obama administration, tax payers paid for a multi-billion dollar bailout of the American auto industry, which paid off for taxpayers but

So at the start of the Obama administration, tax payers paid for a multi-billion dollar bailout of the American auto industry, which paid off for taxpayers but was not without significant risk. Now at the end of the Obama administration, tax payers are putting $4B towards self-driving cars that, depending on who the winners are, could potentially destroy the same industry that was bailed out just a few years ago?