Is this because if you do not add the device to your FindMy account, then someone else can add it to their account and lock the device? If that’s the case, the

Is this because if you do not add the device to your FindMy account, then someone else can add it to their account and lock the device? If that’s the case, then that should be the warning. “If you skip this step, then someone could add this device to their FindMy account and lock you out of your device. Apple will not help you under any circumstance if this occurs. We recommend adding this device to your FindMy account to maintain access to this expensive thing you just bought.”