We definitely owe them enough money that they could comfortably fill the payment gap to their next job (which might be never, meaning enough money to pay for in

We definitely owe them enough money that they could comfortably fill the payment gap to their next job (which might be never, meaning enough money to pay for inflation-adjusted lost income during the entire remainder of their career). But in the name of pragmatism, it is unlikely that whistleblowers would blow the whistle on a purely economical basis if the reward wasn't higher than that.