He didnt want the PG to have any extra information or influence. 우체국 직원이 반바지를 입을 수 있다고 처음 제안한 사람이 닉슨이었다는 사실을 알고 계셨나요? It was part of a smear campaign to delegitimize the post office, to make people take the power of the mail less seriously.