@b4cks4w At worst, someone might complain and you may be compelled to stop.

I hate to even have to say this, and I will give you the benefit of the doubt that it doesn't apply to you, but do wear headphones. I don't know when people watching media on their device speakers audible to everyone on mass transit became socially acceptable, but it makes me want to throw the offenders out of the back hatch of a plane.