This whole thing has become as rediculously stupid and pointless as the Chick Fil A thing.
And please, turn that Self Righteous Bus over to the side of the Pretentious Turnpike would ya?
If this had been a man advocating for gay rights or abortion or whatever else the Left deem appropriate and he got fired as a result there'd have been a war cry like the world had never heard, class action lawsuits filed the very same day, rainbow warriors marching on every city in the country, so let's stop with the BS double standard spiel, alright? You'd lose that argument every time.
but to answer your question, yes, everyone is entitled to their opinion, and when asked what they view, based on their personal beliefs, they've every right to say what's on their mind without repercussion.
If, when defending your support for Donald Trump, and your response is,
"But but but... HILLARY!!!", then you lost the argument before you even began.