Grew up with my mom saving a table and DH doing the ordering, 36 years and I know nothing different. DH and I do that sometimes too but when it is just the 2 of us and there are plenty of seats open.....and it is really busy I think nothing of asking someone to share their table with us if they are not using all of it.
We were in Epcot, Morocco last week at the Tangeriene Cafe, the only table left was a long booth one by the entrance. There was 6 teens at the opposite one finishing their meals. They were about to leave and a woman with 2 kids were going to sit down UNTIL this one one just about bulldozed her over for the table. I felt so bad for her and the kids so I told her to sit with us, we were just about done anyways. She didnt even give us a thanks or a smile, nothing! Oh well, some people are just that way I guess.
When we were at Ohana there was a big wait so we wanted to sit on the chairs or sofas in the waiting area. We go to sit down in 2 empty chairs and this woman came up and screamed at us THOSE ARE FOR MY FAMILY, MOVE. So we sat on the sofa, she said that was being used too. Well excuse me you freak but there isnt anyone currently occupying the seats and you cannot hold them all for crying out loud! I made a comment to her and she just snorted. There was no one around her for a while, I watched...her family was too busy throwing pennies into the waterfall. So we found a bench, I watched her shoo away many people that wanted to sit. The kicker is her family never came back to sit down, their pager went off and away they went.
We sat for a long time, I went up to go the bathroom and when I came back this woman was demanding that my DH move to the end of the bench so her family can sit...now mind you we are occupying the last 2 spots on the bench, it wasnt like we are spread out or anything. He told her I was coming right back but she wasnt having it, UNTIL I SHOWED UP. Then she backed the heck off.
Common courtesy people, we are taught this in grade school!