Everyone depends on the USPS. Seniors for their Social Security, veterans for their prescriptions, small businesses trying to keep their doors open. They can't be collateral damage for an administration more concerned with suppressing the vote than suppressing a virus.
Trump's rage over the anonymity of the whistleblower may seem excessive, but it has its own logic. Anonymity means Trump can't give the person an insulting nickname, can't call him or her ugly or fat, can't use his surrogates to smear and intimidate. He can't make it personal 1/2