It makes me angry. There's a good reason I led my book with off with it as an opening example. https://leanpub.com/info-ops

The plane changed modes and nobody realized it. That amazes me. To have different modes where the controls and indicators do different things and not have that information readily apparent? Ok, this is where you might could use better training. But gee. Like you said, another page on the ECAM would have been fine. You could have put a couple of wooden mechanical airplane models on sticks manipulated by the computer to show the top two best guesses for situation and ended up with something better than what they had.

I think the worst part of that disaster was that aside from engineering/program/integration management, I don't see any particular group of people that were directly at fault. Yet it all came together in a disaster. I find that situation unacceptable.