Even though it doesn't necessarily benefit you in any way it's not the benefits that matter. It's the gesture of paying a very good friend who SAVED YOUR LIFE right before flatlining.
If you don't have the 21k Eddie's just do a couple NCPD assaults, give like 2-4k each. Vik is one of the best people in night city. Period.
PAY HIM BACK!!!
(ps: you get access to his inventory for paying him back too)