The Netflix web interface hs a mute button that only applies to trailers, which the poster I was replying to was referring to. And yes, since you ask, my TV’s

The Netflix web interface hs a mute button that only applies to trailers, which the poster I was replying to was referring to. And yes, since you ask, my TV’s mute button doesn’t do anything when speakers are connected via the optical cable (I suppose it sends some event and the optical -> analogue converter I use to hook the TV into my ancient sound system just doesn’t know how to handle it). But that isn’t Netflix’s fault.