The fool went and open carried for the first time. Doesn't he know that his trip to Wal-Mart was a risky piece of political theater that sets us back decades? There's a time and place for open carry, and a simple shopping trip isn't one of them.
You should only open carry where nobody will notice in order to avoid scaring anyone or getting negative media attention. Period.
Because you may think you're helping the cause, but you're not. Or so I've been told.