Not religious. It was merely a preference.
A religious belief is personal, not corporate. If you prefer to not watch TV because of your personal beliefs, then don’t watch it.
We had a student tell a teacher that he had to pray during school because he was a Muslim. She responded that it was a “choice”, not a “have to” because none of the other Muslim kids were praying.
The issue here is that he must have been asking for all the TVs to be retracted. The kids could easily watch the ones in front of them, or one aisle over. So, if my guess as to what he was asking is correct, he was imposing his desired behavior on adjacent passengers.