Only MAGAs believe that. Any remotely sane person sees the situation as you do, as evidenced by the fact that Canada is now implementing counter-tariffs and the only people wailing about how unfair it is are said MAGAs. Who would never have been satisfied or influenced by anything we did, as it turns out.
Being known as mature adults is a good thing.
You said Trudeau shouldn't have tried to negotiate. I disagree with that.