But Twitter has officially stated it was a mistake to block posting of the link to the Post's story. So why is the Post's account still locked? More generally

But Twitter has officially stated it was a mistake to block posting of the link to the Post's story. So why is the Post's account still locked? More generally, it does not appear Twitter is impartially enforcing standards against leaking private information. There are no problems posting stories to Trump's illegally-leaked tax returns, or Melania's phone calls, for example.