Yes, I agree, it's not the best form of money all the time, but to me, that's a slippery slope since anything we claim has value could be altered by point 1. "When someone is dying of hunger" changes the context and the circumstances which change the moment of exchange. When I say it's the best form of money ever invented so far, I mean in the general sense given a "normal" modern experience of life. That would include (obviously) power and internet. Without those, cryptocurrencies become rather less valuable. Brain ledgers work as well, but they require trust and are not transparent to others. Those two things, I think, make a distributed ledger based on cryptographic proof much better. If the friction was non-existent, I think we would move those "you owe me X" things into smart contracts, just like we moved memorizing phone numbers to our smart phones.
Hmm... a 30 minute radio spot. That's a very interesting idea. Maybe I'll consider that. I've wanted to do more videos, I just get so caught up in so many other things and I don't want to post just because it's expected of me. I want to post because I have something worth posting about. Then again, in this space, there's always plenty to talk about.