There's no obvious way to grift over here.
Discussion
It is, through the bitcoin-only narrative. Just put "bitcoin-only" on something, and I believe many people will go for it without thinking
Bitcoiners are more discerning than the virtue signaling indicates.
Yes some people prey on the insecurities & guilt that some Bitcoiners still carry.
It's nowhere near as profitable as you might think though. Most Bitcoin only initiatives rarely yield a profit in Bitcoin terms. They're lucky to cover their fiat costs.