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That's a great analogy!
The burden of proof is on someone who would make that case.
What Krugman showed - actually, he'll tell anyone who listens that he borrowed heavily from UBC's Jim Brander and Barbara Spencer - that it is possible to imagine cases where govt intervention can be justified. He has since gone on to recognise that those conditions are rarely met in practice. If you think that this is one of those cases where they are, then you should explain why.
Mike Moffatt has a nice post on this. Those jets will be made with Canadian labour regardless of which firm does it. The only question is which technology will be used - and trade is just another form of technology.