> a policy targetting China has collateral damage.
It is still a policy from someone threatening economic annexation of Canada. He's dropped the rhetoric, but I doubt he's given up on the concept. "Targeting China" is a very kind, possibly even forgetful, way of phrasing it.
Mexico has also been disproportionately impacted by these protectionist policies. And that’s just the immediate neighbours with which the US has pursued trade agreements for decades.