I was talking with someone the other day who said to me, 'I know al Qaeda says they attack us because we have troops over there, but that seems implausible to most Americans.'
'Why, then, do you think they attack us?'
'I think they want to return to the 8th century.'
I see. It's plausible to think that al Qaeda members believe they can reverse 13 centuries of history, but implausible to think that they believe guerilla warfare might drive off foreign troops! And it's not like al Qaeda has done this before or anything! It's not as if they spent a decade in Afghanistan fighting the USSR, or anything like that.
This is immoral, willful blindness. Now, we all have our shortcomings and blind spots. (Well, not Wabulon, but you get my point.) However, it's one thing to overlook the fact, say, that your son breaks antennas off of cars. But it's quite a bit different when this blindness has alreay gotten a million people killed.