Rockhawk would not be worried in this type of situation because he knows that Alisha could kick the crap out of any Harbaugh. lol
I think its great he took a moment to say hello and allow pictures to be taken. He's a complete asshole on the field even his own fans agree.
But he's a damned fine coach and it appears he is very much aware of fans of all NFL teams. Besides we have an entire season coming up to bash the guy how much could it hurt to acknowledge a nice gesture?