That’s an known issue with any customer driven org too. Prioritizing existing markets and customers vs up and coming ones.
The postal service almost was set up to do small time banking and email services but got cut down by Congress. So they had tried to push for providing more services to meet existing demand, but we’re hamstrung on their efforts.
The push towards privitazation at all cost has really hurt the effectiveness and efficiency of government ran orgs in the United States.