I think there are few things more annoying than the automatic flush with a sensor. Move just a little bit and off it goes!
They are to be found in bathrooms in cinemas, department stores, theatres not just aircraft and it always strikes me that the designers forgot that at least 50% of the population always sit down. I’m pretty sure that’s a higher percentage in the air as well as it’s less accident prone or so gentlemen of my acquaintance tell me.