thought experiment: If someone had the skills, ability, and opportunity to tangibly help a large group of people through their work, but instead chose to work

thought experiment: If someone had the skills, ability, and opportunity to tangibly help a large group of people through their work, but instead chose to work on the "next hot social app" in order to gain personal wealth (assume both were "one-time" opportunities, and mutually exclusive), would you hold that person to be ethically unjust?