[trizic]

US taxpayers are not subsidizing shipping costs. Domestic shippers probably are.

"Zero tax dollars used. The Postal Service receives NO tax dollars for operating expenses and relies on the sale of postage, products and services to fund its operations."

https://facts.usps.com/top-facts/

[nitwit005]

Saying "US taxpayers" is essentially the same as "US citizens". The parent wasn't suggesting direct tax payments into the postal service.