You don't think banking is dysfunctional? Banking is one of the most privacy-invasive industries in existence, the rules are the reason the internet runs on advertising because they make it nigh impossible to make a functioning anonymous micropayments system and companies that try to innovate with e.g. a debit card that keeps your account balance invested in securities get booed off the stage by incumbents who don't want the competition.
There are a lot of legitimate things to complain about with banking and its regulations but despite the many misconduct scandals in banking they are still better than unregulated parabanks. The scandals haven't been in the form of "and the head ran off with all of the money and nobody can find it or them".
Regulations certainly could be improved in multiple directions but dysfunction is not a binary.
What kinds of improvements would improve the state of banking today that don't also throw the baby out with the bathwater?