The crucial difference is that with the banking system you only really need people to trust that their accounts are correctly tabulated. For voting you need people to trust that everyone’s votes are tabulated correctly. It’s an entirely different problem

> Where does this antiquated mindset of "omg, I need my votes counted by hand!"

Because that's a feature. You want something that's simple to understand and cannot be easily tampered with at a larger scale.

None of those things have the requirement of anonymity. You can verify those numbers at any time, unlike a vote.

The difference is that its much easier to resolve banking errors than... "election errors"