Probably because of the silly idea of quasi-privatization,
> But, beginning in the 1970s, the Postal Service largely stopped receiving any taxpayer money for ongoing operations. Postal operations are instead funded by sales to you, the postal customer. Now it depends almost entirely on sales to keep the lights on.
> But, beginning in the 1970s, the Postal Service largely stopped receiving any taxpayer money for ongoing operations. Postal operations are instead funded by sales to you, the postal customer. Now it depends almost entirely on sales to keep the lights on.
https://www.uspsoig.gov/focus-areas/did-you-know/postal-serv...