I lived in NY for much of my life, and it couldn’t be more obvious that you are completely ignorant of the state’s politics. Stick to things you know about so as not to embarrass yourself further.
You've offered no numbers or objective evidence of any kind to support anything you've said. Just "trust me, I used to live in New York". Well, guess what? A hell of a lot of other people who've lived there say the exact opposite as you. So your personal evaluation that half of Bernie Sander's supporters will vote for Trump over Hillary is worth less than the place from which you pulled it.