Like most engineers, you're so fixated on your models that you disregard the fact that humans aren't logical.
You assume that since it makes sense to you, the Chinese and the Americans will follow Trudeau's climate leadership.
They won't...they'll do what they think is in their best interest.
Your whole faith in the belief that killing our economy will save the planet is based on faulty input logic.
GIGO...Garbage In...Garbage out.