I didn't know the inside details like you guys but that is one thing I think Rafa -really- hates. He might just be sticking it to the Parry for not agreeing to sign Barry instead of Keane. Still though Keane looking like a fool here is all on Rafa.
If Barry had come who knows how we would be doing though, Xabi wouldn't have the confidence he has now and probably would be in same form as last season. He's played a huge part in where we are so in a way Rafa should be happy the Barry thing didn't work out instead of holding a grudge and taking it out on Keane(not saying he is but theoretically speaking).