I'm sorry but it's so strange to me. To me it's like putting on your favorite song, but it's in Spanish so it's dubbed by a much worse singer who sings it in English.
I also don't understand why one would watch a film or show on one screen while playing a game or something on another screen. Either the film or show is so boring and trite that you need something else to distract you - in which case why ever watch it at all? - or you're missing out by not focusing on something good.
If it's a 4-hour podcast or a random infotainment YouTube video, sure, it makes sense to put that on while playing a game or programming or whatever. But an actual polished show? I don't get it.