More info on the podcast with Paul Sztorc (Truthcoin) here in earlier post on SN:
On The Brink with Castle Island - Paul Sztorc (Drivechain) on Bitcoin Security Budget and the Importance Merge Mining - Listen on Fountain #9368 https://play.fountain.fm/episode/6476544317 https://onthebrink-podcast.com/drivechains

"There is very little economics literature on fees in Bitcoin" -- gotta branch out, BoC. see my 2019 talk eg
And, nic__carter's Twitter thread, unrolled: