Originally Posted by Lead Cenobite
This is exactly why I'm unsure. There has been no confirmation anywhere that the changes to Superman are due to the lawsuit. For all we know it's another attempt to make him "relatable" by decreasing his power level and having him rely on armor like human characters such as Batman and Iron Man.
It's probably both. If thats indeed the direction they've taken then that is mind bogglingly stupid.
Edit: check out the wiki on new 52. Apparently the relaunch was not without controversey behind the scenes.