common courtesy

When you are in a public rest room, in a stall, and someone else walks in, isn’t it common courtesy to make some sort of noise to let the newcomer know that they are not alone? Because say, for instance, that this newcomer sits down and is quiet for a few seconds to “assess the situation”. If this common courtesy is not carried out, said newcomer might hear nothing and therefore assume he/she is alone. Hypothetically, this newcomer could, um, “pass gas”, in PRIVATE. If this person then hears some quiet shuffling in the stall next door he/she could become terribly embarrassed and feel humiliated and in a way, violated. I mean really… is it too much to ask?

shoot... have I said too much?