There are plenty of ways to do this without completely bricking second-hand devices. For example, allow the Macbook to be wiped and reused, but inform the prev

There are plenty of ways to do this without completely bricking second-hand devices. For example, allow the Macbook to be wiped and reused, but inform the previous owner and ask them if it has been stolen. Yes? Trigger lockdown. No? Release ownership to the new user.