This is a somewhat special case since the guy already had experience with non-Windows UIs (Ubuntu) so trying something new wasn't very new to him. On the other

This is a somewhat special case since the guy already had experience with non-Windows UIs (Ubuntu) so trying something new wasn't very new to him. On the other hand, many Windows users are deeply set in what they're used to, and their initial experiences might be very different as they get frustrated with trying to figure things out.