There have been precious few new arguments put forth since the crypto space pivoted from "currency of the future" to "immutable store of value" as its origin story, and even then it was - as you pointed out - a bunch of assertions taken as fact and edge cases treated as critical problems in dire need of solutions.

Web3 and NFTs are interesting only in that they're so nonsensical even a large chunk of crypto believers can't bring themselves to buy into them.