Have you ever noticed those overhead bins are round at the top due to the shape of the fuselage? I also hate having to try to cram something larger than a true carry-on into those overhead bins. Square pegs into round holes. It didn't work in pre-school, and it ain't working now.
Although, now that I come to think of it, being on a plane is not unlike kindergarten. You get the federally mandated insult to your intelligence where they feel they must explain to you how a seat belt works. And you only get 3 ounces of gel in clear plastic baggies, because with 4 ounces, you might hurt yourself or others. You also get a pillow for nappy time, and the little cart comes around full of
Maybe if I work and play well with others, I can get the whole can of Coke.