I'm not sure if you're being sarcastic, but it's unfair to judge someone's ability based on where they used to work.
This friend of mine was laid off in New York and received his severance; based on what I know about him, he could work in a multitude of places right now if he wanted to.
Zynga's vilified image aside, there is no reason to believe their engineers are not "top talent."
I was just at dinner with an ex-Zynga game dev last night who had never even heard of it.