Dev A wins because management is trying to fire Dev B. Dev A works longer hours and is paid less because they're young and stupid and don't have a family. Dev A

Dev A wins because management is trying to fire Dev B. Dev A works longer hours and is paid less because they're young and stupid and don't have a family. Dev A is better for business. Dev B gets laid off, and Dev A works until burnt out. Game over. Everybody lost except management.