If the CEO had said, "I believe that black people should still be enslaved," would you be saying, "He's honest! I support him for that!"?
I don't have to respect someone for having backwards, bigoted, hateful opinions.
Finally, this is the most important part: it's not just an opinion. The company and the founder have given tons of money to organizations that are actively fighting for gays to remain second-class citizens at best, criminals to be put to death at worst. Those donations come from the profits of sales of chicken sandwiches. If I don't want to support those causes, I won't give them my profits.
Nothing matters but knowing nothing matters. ~ Wicked
Everything in life is only for now. ~ Avenue Q
There is no future, there is no past. I live this moment as my last. ~ Rent
"He's a tramp, but I love him."