Besides, how on earth is your argument even relevant when we're talking about content-addressing as a whole, without involving IPFS at all?
Lots of things use CAS, not just IPFS.
The specific case you outline can be served by existing technology, without having to introduce magic coins, beans, or other distractions.
I was pretty interested in IPFS prior to it being overtaken by web3 grifters.
Besides, how on earth is your argument even relevant when we're talking about content-addressing as a whole, without involving IPFS at all?