The banker's just doing his job.
And in a competitive culture, that sort of selective empathy is widely practiced and accepted.
It's okay to deny some people life-saving goods and services - they are, after all, outsiders, and we empathize only with members of our own tribe (friends, family, co-workers, colleagues).
It's actually a law in the US that executives have a fiduciary duty to maximize shareholder wealth. When offering minimal salary / benefits, laying off employees, denying life-saving medical services to insureds, or poisoning the environment with toxic waste results in greater profit for shareholders (and bonuses for execs), we just accept it as them doing their jobs.
It isn't just business that behaves this way. Consumers are also pretty willing to snap up goods made on the cheap by slave labor in 3rd world countries, low-ball purchase offers, and trample each other in a stampede to snag that special Black Friday deal. People are pretty good at cruising right by those pathetic panhandlers and ignoring food bank donation requests when they're en route to the dealership to purchase that luxury automobile.
This is all normal, socially acceptable, everyday behavior. In a competitive culture, people have to compete to some degree to survive. The very willingness to compete implies a degree of selfishness.
Ramp it up a few notches and put it in a violent video game where endlessly slaughtering mooks is an everyday occurrence, and voila! Your darker LI.