You literally cut off the other half of that idea that explains the phones are not the center of the problem, and said they are the center of the problem.

If you want to miss the point and argue in bad faith, go ahead I guess.

You won’t change my mind: School needs to be engaging enough that students don’t seek distractions. Phones, books, clicky-pens, daydreams, doodles, writing, passing notes, all fulfill the same exact purpose of amusing a bored mind.