More than three years into the Biden presidency, Trump mega-donor Louis DeJoy is still postmaster general, and the Postal Service is still a mess as he continues to cut operations. For example, recently, hundreds of veterans had their colon cancer screening tests invalidated after the results took months to arrive by mail.

Biden's appointees have been the majority on the USPS Board of Governors (which hires and fires postmaster generals) for almost two years now. Unfortunately, several of Biden's appointees have been deferential to DeJoy. One of them is a former Trump White House staffer and Mitch McConnell aide. On several occasions, there have been long vacancies on the USPS Board as the Senate has waited for Biden to nominate replacements, with members of Congress sending Biden letters begging him to get around to nominating replacements.

Does anyone have any explanation for how the Biden admin could have fumbled so hard on the USPS? General incompetence? Do they simply not care about it? Do they actually quietly agree with the direction that Trump set in motion at USPS?

EDIT: many comments are misinterpreting the composition of the USPS Board of Governors. 5 of the 7 current governors are Biden appointees. It takes a majority of governors to remove the postmaster general. Even if you exclude the Republican that Biden appointed, the Democrats and independent that he appointed comprise a majority.