system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why is/was the federal mail service (USPS) in debt and on the brink of financial failure, while independent services (UPS, FedEx) remain profitable?
gpt
Congress got it in their heads that since emails became popular and would only become more popular, the US Post would eventually have a lot of problems staying profitable. Worried that a majority of their workers would retire at the peak of people no longer using the Post Office, they said that the USPS needs to make sure to have enough money for all these people's retirement funds and pensions NOW, before the plunge happened.