I thought it was pretty fair, maybe a little on the 'nonjudgemental' side but no barf alert needed. Occasionally wasting time pointing out unimportant cultural differences, like their different style of bowling shoes!!!! How did that get past the editors?!! Bowling shoes!
If they left that in, imagine all the stuff they had to cut out.
To me it always seems like Diane Sawyer is too busy trying to talk beathy/sexy to pay attention to what she's actually saying.