Take a small towel with you and wet it as often as possible, then place it on the back of your neck. The evaporation will help to cool you down. Keep it wet with water from drinking fountains/restrooms or a bottle of water
I'll scout one out and hold it while my husband is ordering food. is exactly what is causing the problem in the first place. People sitting at tables with no food while another family member stands in line waiting to be served
Unless you have a member of your party that cannot stand while you are waiting to be served then you should not occupy a table. If somebody is in a wheelchair, then there should be no problem in them waiting for the rest of the party before finding a table.
Common Courtesy realy
I think that in the politically correct environment we are in now, If you do give your seat up, you are dammed by people saying that women should be treated equally to men and dammed by those with an opposite view.
As for veterans, you should always offer your seat
Just my opinion but I suppose it depends on how much time you want to spend in your hotel room rather than being out enjoying your holiday. I don't bother about views from the rooms as I only want to use the room to sleep and shower.
I stayed there a few years ago in the 60s buildings in a room on the top floor facing away from the swimming pool. I thought it was very quiet and had no problems. Transport is no problem if you are driving but I had no issues on the few occasions I used the Disney transportation.