Miami is far from conservative. It's the las vegas of the south...even worse, and yes I've been to both places. Anything and everything goes in Miami, and not that it matters, but there is a very large gay population.
I think the point was that sterotypically, gays usually go for a more glamorous (and better paying) job than teaching.
Nevertheless, I still think he's straight, but a photo is a very poor way to judge anyone's sexuality. We can all make better guesses after the show Friday night - I HATE that it's on Friday night. I will probably forget all about it!