I don't think you need to demand silence, but I have had success before asking people oocily if I can use a table or etc.
I really dont see the harm in sending a tell "Hello! Do you mind if we use that table for RP?" Or "Hello! Sorry to bother but could you turn off text notifications for emotes?"
I really dont see the harm in sending a tell "Hello! Do you mind if we use that table for RP?" Or "Hello! Sorry to bother but could you turn off text notifications for emotes?"