I awarded myself a Ph.D. in experience several years ago. Not recognized by any university, but it is real to me.

Answer: because correctly addressed mail can be rejected.

Case in point: Screen shot of address for Village of Airmont (https://airmont.org/) under ‘Contact Information’.

 

USPS: “Return to Sender; No such number; Unable to forward”

Old CW: USA should invade Canada

New CW: Canada will invade USA and China will help.

I am changing my voter registration to “Democrat” so that I can dine out at restaurants and travel wherever I like.