I don't know about you guys but I have had several book orders lost in the mail due to the virus absentees on post office sorting staffs or unknown reasons. Or long mysterious delays.
Would millions of ballots be safe in the mail in November?
Especially with probably 85 % anti-Trump staff of the Postal Service. And knowing where GOP neighborhoods are from long experience (and even watching "Donald Trump Thanks You" fundraising replies on mail.
I worked for about 2 and a half years in the mail service of my university when I attended as a student. We could see all the return addresses and mail types. And who got John Birch Society or Socialist Workers Party mail each month.