Earlier quoted context omitted.
I cited three examples of financial engineering. Just to be clear you oppose mortgages, index funds, and ATM machines? I agree all of these or at least mortgages and index funds probably increase inequality especially given uneven access. As far as tangible goods — home ownership, retirement savings, and less time spent waiting at the bank.
You did not cite 3 examples of "financial engineering," you cited examples of "financial services." If crypto made it meaningfully easier to borrow capital to invest in utility assets, then I'd :heart: it too. (Mortgages) If crypto made it meaningfully easier to own equity capital in assets priced by utility, then I'd :heart: it too. (ETFS) If crypto made it meaningfully easier to transact for utility goods/services…
I do not feel as confident as you seem that the group of things called “crypto” will not be useful for financial services.