Why do people care if I fly a flight simulator app on my iPhone 7 at the airport and on an airplane?

Why do people care if I fly a flight simulator app on my iPhone 7 at the airport and on an airplane?

I know that you imagine that we all are inordinately concerned with your well being, but I can assure you that we're not.

Truly I don't care what games you are playing and where as long as they are not in my personal space… Like keep the volume turned off or very quiet.

Nobody cares if you are playing it in Arabic. Just wear headphones, an quit trying to position yourself so we would see the screen. Needy much?