This was 2014. You might think with newer technologies this isn't a problem anymore. He also made "Why Electronic Voting Is Still A Bad Idea" last month: https://www.youtube.com/watch?v=LkH2r-sNjQs
This is not electronic voting. This is relaying the results of the caucuses electronically, or by telephone as a backup.
LOL brilliant. You made my day.
Cite: "Votes in transit" (Scott 2019).
It’s still using an unvetted app in the critical path of an election, so in this case it feels like a distinction without a difference.