Since New York City has more opportunities and larger scale compared to Toronto the question boils down to a career efficiency and potential future leverage. I

Since New York City has more opportunities and larger scale compared to Toronto the question boils down to a career efficiency and potential future leverage. If you're going to have to relocate and bust your ass working anyway, then why not take the shot at making a larger impact and trying to reap more rewards in the larger and more prosperous city.