Creative effort is scarce, so the argument is about how to securitize it. It’s not artificial scarcity, it may just be a poor proxy method around the actual scarce resource.
You are never going to convince more than a small number of suckers that any of this is true or worth it.
For instance, you could use them to keep track of responsibility/permissions: "The holder of this token is the project maintainer, only they can approve pull requests". That sort of thing.
Interpretation is up to the users, I'm really just talking about nonfungibility in general here.
This is exactly the kind of thing that is said before complete implosions or complete disruptions. Time will tell!
Reminder: same was said about BTC.