I can't say he's wrong here for suing. I mean, even if you follow all policies and laws, and treat people according to the prevailing wisdom/popular opinion -

I can't say he's wrong here for suing. I mean, even if you follow all policies and laws, and treat people according to the prevailing wisdom/popular opinion - you're more likely than not to be fired for voicing an opinion which is contrary to it - even more so if your opinion leaks out of the company. I may be on the side of workplace equality, but silencing people will not achieve it - you can't change minds if you can't talk about issues - real or imagined.