I remember sitting in F - this happened a while ago - and the FAs for F and for Y were chatting in the front galley. Someone in Y pressed the call button. The FAs stopped mid-chat and one of them went: "Did someone just press the call button?" in a tone signifying indignation. Her friend who was responsible for Y responded in a snappy way: "Oh they better not have. What on earth is their problem?" before continuing their chat. The passenger a few minutes later physically walked up to the FAs to ask an admittedly dumb question but still, I half smh'ed, half lol'ed.