uh... so you're saying hypothetical coinbase cares more about security than hypothetical robinhood or fidelity, or even the good ol' google/apple?

(i'm having a hard time thinking of a successful "crypto" company other than a handful of exchanges, of which coinbase will probably be the only one that survives, at least in the US)

I don’t know if “cares about” is the right phrasing, but financial transactions are a “simple” use case for ZK algorithms. So practicality if implementation definitely affects how much a group or company cares.