I guess he meant the second. So, in general, associating names with email may be a nice idea. Though some emails may be more associated with roles than with specific persons.
And as a customer you expect some things to come from a machine.
A human can be the endpoint for responses to that machine though. Our ordering system sends machine-generated emails for receipts. The From address delivers to us, and in the event someone hits reply (in which case you can usually get the entire receipt in quoted form in order to identify the person), the message will be sent straight to someone who can handle anything related to orders.
And as a customer you expect some things to come from a machine.