If you believe that a cost cutting measure by USPS who has been losing billions of dollars a year is a deliberate attempt to delay the mail then so be it. Everyone knows that junk mail rates are much lower than first class mail rates and aren't delivered as fast by USPS for that reason. When USPS warns states that sending out ballots by junk mail rates in order for the states to save money, may slow the deliveries and possibly not be delivered in time, this is not deliberate slowing of the mail by USPS, it is deliberate slowing of the mail by the participating states that wish to mail ballots the cheapest and slowest way.
Read carefully unbiased reports such as
What’s really going wrong at USPS. to determine if there really was a deliberate attempt to slow down mail by USPS or whether it was a conscious cost cutting method to cut down the billions the postal service is losing each year by merely delaying some mail from 2 day deliveries to 3 day deliveries.