It might be bystander apathy, but I'm not getting involved in conflicts other people create. Not saying going around talking about kill homosexuals is a good thing, but any time you say something to someone in public you're taking your life in your hands. Maybe he's got a gun, or knife, and is crazy enough to use. Best thing to do is just ignore it and go on about your business. If you choose to make an issue of it, then you deal with the fallout. I'll certainly cooperate with the police in the aftermath, but I'm not putting myself in harms way for someone else's need to make a principled stand.