Who knows? He can always come up with something to grand stand.
He knew that he could protest without getting arrested but he preferred to do it his way. That's his prerogative. Which is fine, as long as people don't think that he's being arrested for the act of protesting or for the reason of his protest.
People can hold any protest they want any time without Al.
He's actually hurt the cause by getting his name in the headlines instead of the cause itself being the headline--exactly the thing that you bemoan happening in this thread.
How come the headline wasn't "Slain man's fiancee arrested during Sean Bell shooting protest"?