Seem to me that if your phone can't even boot up, then repair mode is moot, the repair person won't be able to log into your account to access your private info

Seem to me that if your phone can't even boot up, then repair mode is moot, the repair person won't be able to log into your account to access your private info. Even after the phone is operational they still won't be able to run anything without you putting in your password. I think this is more for the situation where the repair person asks you to log in so they can verify that the phone is fully working. You'll want to expose as little sensitive data as possible. I do think you have a point though. If you sent in a non-functional phone, and now it's in the shop being fixed, but the repair person needs to do a detailed check of the phone's operation, how can that be done safely without you being present? Maybe there could be a "repair mode password" that you can give out remotely and only allows the phone to enter repair mode.