Another way of looking at this is that under regulation of competing industries in other countries requires intervention (be it via tariff or subsidy). I think

Another way of looking at this is that under regulation of competing industries in other countries requires intervention (be it via tariff or subsidy). I think people here have argued the strengths/weaknesses of each approach. The best solution is likely some nuanced mix of the two, but nuanced policy is hard to create and I rather we eat the costs of any of the two approaches that are more likely to be adopted today rather than continue to take no action.