Things like this, things like this show that the bar hasn't just been lowered, it has been completely destroyed. Mankind is falling on a downward slope.
It doesn't matter whether Zimmerman was guilty or innocent, he is signing autographs because he has become peoples' icon for some sort of gun ideology. It has jumped to some sort of level where people believe that they need guns to defend themselves against others (minorities) and somehow the government (you're just crazy if you think a small militia can take out any small faction of any government force). It's just an excuse for your wet dream of shooting down a tank with grenade launchers.
The point is that Zimmerman and others are still making money off of killing Treyvon Martin and are pushing an idea behind it.