

it’s a question of how you choose to enforce the policy. locking up phones as each student enters the building guarantees close to 100% compliance and the rest of the day is undisturbed.
if they just tell students phones have to stay in lockers then teachers will constantly have to be on the lookout for phones and will never get close to 100% compliance.

yet somehow people think “big Pharma” is hiding “the cure for cancer” because they make more money from chemo and shit. “big Pharma” is not a monolith - the developer of the treatment (and stockholders) would make tons of money from it.