Frankly, I also think Nostr isn't ready to replace email lists yet.
I thought Bitcoiners in general understood Nostr already, but I was miserably wrong: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2023-November/022141.html
At least Andrew Chow recognizes he didn't look much into it and is clearly speaking from first impressions gotten from microblogging clients.
Discussion
I agree we don't have the software ready right now, but that's not what he is saying.