When the first Gulf war started, we were in Thailand and routings were being changed because it was clear that there was going to be a big bash.
For Ukraine? It's bumbled along and whilst there had been military action in the last week - was it clear how it was happening? What information was given to the world's airlines? Who gave that information? The line of enquiry is very long.
However, what this does mean is that, in future, a lot more companies will divert early and pax can expect a fuel surcharge for going around the war zone and I'd expect that most pax will be happy to pay that.
That's because it always comes down to money ...