"A price control in Canada is effectively subsidized by US consumers of a given drug" I think that is the crux of his point, if the US didn't have these crazy high prices - then the drug would not have been developed.

I liked this quote: "Every drug that's made is a gift from one generation to the next because, while it may be expensive now, it goes off patent and your kids will have it essentially for free."

The high cost in the US is paying for the R&D that makes the drug possible