I remember a scene in the show "Mad Men" where they just flick out their blanket to scatter all trash from a picnic and then leave. I thought it had to be satir

I remember a scene in the show "Mad Men" where they just flick out their blanket to scatter all trash from a picnic and then leave. I thought it had to be satire but I asked an older coworker and he said it was pretty accurate to how things were when he was a kid.