Would've lost the primary. The climate was wrong for Trump in 2012, and for that matter, almost every year other than 2012. Anybody who thinks Trump is a master campaigner who would win any year he ran (*cough cough* NHI) is just false. If you'd like me to go into more detail about anything, I will kindly oblige.
Hardly, haha. Any scenario I've presented on this what-if board about a Trump 2012 bid is purely for fun. I agree with you, there is no way he would have been elected in 2012, let alone won the nomination. 2016 was the perfect environment to win, the nomination.