1) Many (most) weren't "caught" doing anything, other than going about their business. The majority were kidnapped from airports.
2) "Allied forces"? We white. Them black. Therefore them bad. Try to see the world from a perspective other than your own.
3) "War zone" - no it wasn't. It became a warzone after most of those in Gitmo were disappeared. That's like saying that what happened to jewish people before WWII was fine because it became a war zone.
4) It's not a characterisation, it's exactly what it is, if you interpret the situation through the Geneva convention, which the US is inexplicably a party to.