I've wondered this too. My only guess is if you mess with US Mail there are strict federal laws that protect it. Plus it gives time to read, research and discuss what you're voting for. LOL, oh and my wife tells me who to vote for.
Can't speak for the ballot boxes but there always seems to be some stories about missing ballots. Or people waiting out side for hours in November.
Pro-tip: Dealerships will not have the car at MSRP. Go to the dealership and tell them that's the I've you want, leave your number and tell them to call you when they get it. It will magically show up in a day or two.
Maybe he relaxing on a fun island somewhere