I don't know why I suddenly logged in today after such a long time, but YES indeed very sure yes...
They used to say it in the intro about Bitcoin origins a strategy/idea that did not succeed in preventing spam emails in the
https://news.ycombinator.com/item?id=25685637
The paper proving it didn't work in preventing spam emails
https://www.cl.cam.ac.uk/~rnc1/proofwork.pdf
.
I'm not sure where I give the credit to first hear that; could be either Princeton University 2015/2016 lectures on Bitcoin & Cryptocurrencies, or Tim Roughgarden talk with Vitalik Buterin about EIP-1559