No one ever asked me this but it is a great question, especially in his situation, as he is completely remaking himself in a change of industry and a new role.

For the sake of brevity, I answered him via LinkedIn message, a 41 second oral recording that I sent him via LinkedIn messages:

So how you fill in your LinkedIn profile is quite different than your resume. Complementary, but more about your character and perosnal viewpoint.

Now you know.