I tried an Ironman run too. Stopped halway because I was sick of it. Every mission was way too damn slow. I only walked to the blue border and fullcover. XD
I didn't failed a mission though, dem crits on the other hand took a couple soldiers from me...
It's only a game-
That you put many hours of effort and time into learning and playing, no big deal.
But once you fling a insult
Someone is gonna have a bad time.
First: The comment system should be fixed, its annoying to use it and most people don't have neither facebook nor google+ (i use a fake account that rarely i use). May be using DISQUS.
The theory behind an ironman run in Xcom vanilla is that the aliens NEVER shoot, its hard to acomplish, and obviously aliens will shoot, but thats the most important part of it