Pittsburgh post office / service/courthouse history

Just a piece i found , I do not agree with commentary .
https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title39-section201&num=0&edition=prelim

The Postal reorganization act ( FRAUD)

Congress did not have authority to abolish the post office , See article 1 section 8 of the Constitution. Post office has never been amended , see Article 5.
The federal courts in Pittsburgh fictitiously Claim Post office untill 2021 when congress claims they abolished and created Walmart , Oooppps , i mean United States Postal Service ( usps) corporation to steal elections and we the peoples rights .