One wonders why the local GOP was/is telling everyone to take their ballots to places that can't take them?
This is arguably legal under California's ballot harvesting law.
If one was a little more motivated, one could also get FEC donation records and also purge GOP voters whose donation history in the current cycle indicate that they were likely to vote out of line with the party endorsements.
What guarantees do you have that a random gun store is going to deliver your vote to the proper authorities?
How can you be sure that all of the people using these boxes know they are handing their ballots to someone not involved in the election at all?