It is always wise to suspect everybody until you can prove logically, and to your own satisfaction, that they are innocent.
Til you can prove someone to be innocent you should be suspicious of them.
But think about  if rate increases are implemented in January---which the Service has indicated is likely---and the Service's best estimate from just this past July is on target, the Postal Service should be sitting on a sizable cushion at the end of this fiscal year.