Because he's on the front line and when he goes back to his warehouse he can give actual feedback. He's not a PR flak who can dismiss any complaints as a chain letter campaign from interest groups. Those of you too timid to bring the fight to the front lines are part of the reason why Dems always get their way in the PR wars.
Do you really think that would happen? The only feedback he'd give at the warehouse would be to tell his buddies that some nut accosted him in a store.