You have a huge variety of choice of bank, including nonprofit, cooperative credit unions that don't do anything evil to their customers.
Banks borrow money cheap. Can a regular person do that? No. Of course not.
It's clearly about control/money. Same thing
Banks don't need to borrow money, they just create it:
* https://papers.ssrn.com/sol3/papers.cfm?abstract_id=1905625
* https://www.bankofengland.co.uk/quarterly-bulletin/2014/q1/m...
If you still think about banks re-loaning bank deposits you're living in another century. Fractional reserve banking hasn't been a thing since (at least) the 1960s.
Also, the government already forces you to have auto insurance. This doesn't really seem any better or worse.
There are a plenty of cheap loans available to regular persons, but of course you have to be an adult to access those.