I don't know if I would have had the same concern at the time which shoes that it is nice to have a good professional flight engineer with a maintenance background.
Indeed. In a previous airline it was common practice to leave hydraulics on during turnaround without a thought about the consequences. Then I was accompanying a mech during a turnaround who shared his experience with a wheel well leak. With a tiny hole and 3000 psi the streak of fluid will be thin and hard to detect.