I have no idea if this is true or not, but generally you can't get tariffs without pointing to some alleged unfair trading practice. I'd buy that if this was a

I have no idea if this is true or not, but generally you can't get tariffs without pointing to some alleged unfair trading practice. I'd buy that if this was a WTO ruling but these are tarrifs adjudicated by Americans, supporting an American company. The US similarly imposed tarrifs on softwood lumber not that long ago, and they were determined to be illegal once it hit the WTO. There's no reason to believe that won't happen again.