Let them have it -- in a way they'll actually listen.
I taught you a thing or two about using social media and websites to get a company's attention when it's not paying you any (read/watch my Investigators: How To Get A Human Being here: http://www.wmctv.com/story/15936046/the-investigators).
One of my best sources in customer service advocacy from that story, STELLAService.com, shared its top seven customer service blogs -- the ones the retailers make a point to read:
* STELLAService blog (www.stellaservice.com). Of course, STELLAService.com would have to brag about its own blog, and I agree wholeheartedly. From enterprise reporting to respectful-but-aggressive accountability of all sizes of service businesses, this blog's one of the best.