Amazon App Store Ripping Off Developers?

A few links follow regarding the Amazon app store potentially being really bad for developers. There are a load of posts that reference each other without adding a huge amount of information, so I've tried to pick a few independent ones. Enjoy.

• Amazon.com and my Indie Software Company (Irrlicht3d.org)
• Amazon App Store: Rotten To The Core (Shifty Jelly's blog of mystery)
• Apparatus will be pulled from Amazon Appstore (bithack)