To be honest, Spain, Hungary and Poland all deserve to be in the game.
In my opinion, so do the Byzantines, Austrians, Vietnamese, Thais and others.
Plus of course all the Civs that were in previous games as well.
Even the Kurds who have never had a nation to call their own have had a distinct culture for over 4000 years. It'd be nice to see them in too.
Hopefully they'll have a wealth of new Civs in the expansions.
I agree with you, save for the Kurds/Byzantium. Byzantium is an extension of Rome. I agree that they should be in. But all these threads moaning about nations that didn't make it in make me spiteful(God bless the Hungarians for having selfcontrol)