Are you mad? I work in the United Nations in the city of New York, with (easily) a higher education than you, without forgetting where your blood come from (maybe native Americans were white Europeans) and giving my opinion about whatever I think I have (normal people call it democracy) without messing with the American identity or culture (in fact I probably spoke English before you start thinking in learning it). Exactly the same that the three million Americans who live in Europe do.
I've never started a post about increasing taxes in the States, I've explained how things work in other places -you can like it or not-, BTW YOU'VE started posts about how nice, ugly or ignorant are people from every other corner of this planet.
One thing is giving your advice about something and other thing is trying to change how "natives" want their country to be. I don't like the Health system in the States so I say it, but as far as is not my country are the American people who decides if it is good or not. You can say if you like China or Hong Kong, you shouldn't try to change it. Easy? Nice.
So get this advice. Get a book. You need it.