iOS 4 upgrade crippling to iPhone 3G?

Yahoo! has an article about a woman suing Apple for the iOS 4 upgrade to her iPhone 3G.

I personally think the article does bring up a good point that no one really wants to consider since it makes Apple look like the bad guy but I’m sure that there was extensive testing (at least I would hope there was) done on the iOS 4 upgrade on specific iPhone models and probably on the iPhone 3G, performance was “barely” up to par and Apple figured, if people didn’t like it, they would just buy a new iPhone 4. Apparently this woman thinks that the performance wasn’t good enough and is now suing. I’m curious to see where this lawsuit will go since I had a few friends who had iPhone 3G’s and had upgraded to the iOS 4 only to get extremely frustrated with their phone’s performance under iOS 4 and decided to just buy the new iPhone 4.