The real story here was that two passengers required medical assistance on the flight- for fluid related issues (specifically lack there of). Myself (an EMT), a Dr. and a nurse happened to be on board and rendered assistance. The first man ended up not needing further medical care but the second one required paramedics and an ambulance to meet him upon arrival. While neither person had the argument with the staff about water that I did, they both suffered from medical conditions exacerbated by the fact they did not have nearly enough water (and food actually). By the end of the flight, I was told, they had run out of all snacks (in part because of the three plus hour delay, I assume).