First of all, those polls are bullshit. Every poll said Hillary Clinton would win in a landslide, except for Nate Silver who had her on election day at 70% or so, and look what happened. Also the national post poll has been discredited.
As for the taxes. That just income tax. The US has no federal sales tax. While Canada does. That makes a huge difference. Also US taxes have far more loopholes and exemptions. The US tax code is retarded complex.
You were shut down. Be quiet.
There are no loopholes otherwise many massive companies wouldn't become subsidiaries of brand new parent companies they created out of thin air and then headquarter that brand new parent company in foreign countries to avoid higher taxes. Burger King did this for example. I believe Burger King is "headquartered" in Florida but its parent company that was created solely for avoiding higher corporate taxes is headquartered in your very city.