That would probably require that they receive federal funding to subsidize postage rates, which is unfortunately not going to happen (especially not under DeJoy).
Yes, perhaps the government should subsidize (or allow states to subsidize) the fixed costs of mail, just as we subsidize the fixed costs of roads, so that our business can be competitive. Is this what China does domestically, or what the US does when we charge for international shipping? Point is, we should at least list all the ways that we can be more competitive, rather than cheering isolationism that makes us all worse off.
He resigned last month.
Ah, yeah, just in time to be replaced by another Trump appointee to similar or worse results.