i'd fire him because he thinks gold is impossible to value.
When we are dealing with money, trustlessness means not asking permission. It also means you can review what the code is doing before sending your valuable money to it. We also get a global headless processing center for free.
I think you should re-evaluate your opinions on eth. But, maybe you are right and people are ok with throwing their money into a centralized repository. Maybe visual sourcesafe will make a comeback as well.
That's not to say there wont be any use-cases, or even many. There could be very many use cases for eth in fact, but it still not be multi-billion market cap valuable.