From my understanding the reason papalsucks.com can get away with it is it's basically a review site that other users post their beefs on, and not based on one sole person. They also don't profit from it, which is key. When you start profiting you face more substantial legal hurdles, whether or not your cause is just because it shows motive. I swear there was a huge conversation on here about it not that long ago. That being said you can do it other ways as long as you're willing to spend money on lawyers fees defending it, assuming the company wants to tangle legally. Which any decent sized company will probably decide to do regardless. Once you beat their ass once though they won't have much to stand on.
