I will say that earphone use is preferable to the alternative where they blast their music or videos out loud for the rest of us to hear. They should tune in more to their surroundings because what you describe annoys me, and you get similar when you deal with phone zombies who walk while transfixed on their phone screen, but I am glad they have the consideration to realise that the rest of us might not like whatever they’re tuning into.
Or, maybe I am wrong, and I am being mean in casting those playing stuff to the rest of us as selfish and inconsiderate. According to some, they’re just eager for the rest of us to share in their likes: