alt Hacker NewsDrop your sarcasm for long enough to see that "I won't use your app if I have to use Google" is not a complaint _to_ Google.
The bank I was talking about were the worst net loser of customers in the UK last year (around -8000) They are making excuses but maybe they would care about why.
Also, it works in practice. Some banks have fixed their apps after GrapheneOS mentioned that the app was broken. In some of the issues/reports linked at https://privsec.dev/posts/android/banking-applications-compa... there are even bank app developers joining in on the discussion (e.g. NL -> Triodos).