No, it's a terrifying security hole, full stop. If I leave my non-managed Chromebook unattended (logged out!) for 30 seconds, someone can sign into it with thei

No, it's a terrifying security hole, full stop. If I leave my non-managed Chromebook unattended (logged out!) for 30 seconds, someone can sign into it with their managed account and install spyware without me knowing?