[adewinter]

Sure, if you're operating under the assumption that a) he understands geo-politics and global defense better than the leadership of his country and b) he has better and more real-time information (than the leadership) about the situation on the ground in Iraq/Afghanistan at the time.

If he thought what they were doing over there in 2007 was morally/ethically indefensible and decided to join up anyway then, yes, judge away.

Probably more straightforward to lay the blame squarely where it's due, at those who made the high level decisions to engage in the war in the first place, especially in the context of the outcomes of said war.