If there was no law, would Walmart still need to care about their reputation?

Wouldn't the residents fight back?

http://www.businessinsider.com/the-biggest-corporate-pr-disasters-of-the-decade-2009-12#thongs-for-little-girls-and-racist-t-shirts-double-bad-move-af-2002-3

Do corporations have a vested interest in killing their customers?

Are government agents holy?