when it automatically enables on win11 home, it doesn’t actually “enable” until you do sign-in to windows with a microsoft account so it has a place to stash the recovery key.
and, i have not had any difficulty turning the encryption off on win11 home systems.
frequency (the time between them) of station id are mandated, i don’t think the exact times of them are.
the real reason they all seem to go on ‘break’ at the same time is there’s only a few companies that own most the radio stations. they aren’t dummies. they know if they all go on breaks at about the same time, then people switching stations still land on ads… and it might still be theirs.