What’s up with the French fry container?
French fry containers have a fold at the top for a reason and it’s not used to close it. You can fold this piece and pour the dip on there. Some fast food restaurants serve their fries this way — the sauce will be on the top and you can walk and eat.
The airplane seat’s ears don’t work as intended.
Beer Bottles designed to be held in one hand, and drunk out of directly, have their shape constrained by human anatomy. The lower part of the bottle needs to have a diameter that can be grasped securely. The bottle mouth needs to fit into the human mouth, and have a shape that won't produce leakage when you drink from it.
When was the last time anyone got a French fry container from McDonald's like that?
They stopped using those in the late 90's.