I go to a cafe and they play music all the time, everything from the 50’s to the present. The problem is, there’s a regular that comes in, spends hours at a table and plays his own loud music or online gaming sound effects without using ear buds. The baristas are not willing to address this issue despite the fact that he’s verbally abused other customers. This location is very convenient and I’ve been a customer for at least fifteen years. Any suggestions on what I should do about his bullying?