I sat in the 200 level (JK club) and I can tell you, YES there are a lot of people lounging inside.
I ran inside for a well-timed potty break (I think it was during an injury timeout right up against a quarter ending) and COULD NOT BELIEVE how many people were sitting around tables, ACTING TOTALLY OBLIVIOUS to the fact that their first-place home team was playing outside just a few feet away. I could see if it was martini-sipping blue blood old women, but it wasn't. There were many prototypical male "sports fan" types sitting around.
Needless to say, as I sprinted by them trying to get back to my seat ASAP, (abandoning all dignity in the process), I could barely contain my contempt for these people.
I don't get why sitting around a table staring at TV screens (something you can do at home) is better than watching live NFL football- maybe a poster who does this can explain it to me. Of course, I only get to 2 games a year so every down "live" is precious to me!