I don't know if "profit" is the right word as it implies customers, but I guess they rip off devs and crypto investors they enter into contracts with then run a

I don't know if "profit" is the right word as it implies customers, but I guess they rip off devs and crypto investors they enter into contracts with then run away from, misappropriating investors' money and not delivering any value. The devs just help make it seem legitimate. There is no actual value creation involved.