Forget EA for a moment, many of these sites aren't even creating their own textures, or they're using corporate trademarks like logos and characters. These things are most definitely not their property to sell, even if they were in the clear to sell Sims 2 CC.
US trademark and copyright holders have been trying to make people think that ANY use of a copyrighted image or trademark is a violation. In fact it is not. We still have something called "Fair Use." It means that you can, for example, use the NHL logo on a sign to advertise a hockey game at your pub.
I have been wondering if the use of trademarked designs and logos in Sims content would be considered fair use if the content is free. If it's pay content, I'm quite certain it's a violation. But for free, it may be fair use.
Any ideas on this?