Even if it was, it was deeply insulting and threatening. Friends don't talk like that.
Someone, probably Carney, must have finally gotten through to Trump that Canadians are the US's biggest customer and we're steering clear of everything American. AND Canadian energy is not something America can simply do without.
Also, what did Trump gain from this? Nothing. Canada hasn't conceded anything yet. All this turmoil only to largely stick to the 2018 deal.
He may still destroy the American auto industry, so there's that.