I recommend anyone for or against code review read this post by a Mozilla dev written on 18 Jan 2013.
"One of the discussions happening right now in the Mozilla Foundation software team is whether mandatory code reviews are a good thing. I’ve had versions of this conversation a number of times in the past few months, and today I’m going to write my thoughts down so I can point at them when it comes up in the future." http://vocamus.net/dave/?p=1569
