And if your squad is a man down because that extra 20 lbs. you were carrying in 100 degree heat and 90% humidity in Anbar province gave you heat stroke, you may end up getting your buddies killed.
An extra 20 lbs of weight is a huge, huge deal. If people don't understand that, they don't have any concept of infantry combat.
Exactly! I just love these armchair experts making proclamations based on friggin TV shows!