There are just too many reasons to why banks dislike bitcoin, firstly take not that bank is a regulated entity and won't love to work with an anonymous asset, secondly there are being fed with taught of bitcoin filled with many illicit activities like money laundering, illegal transfer of funds etc, just too many to mention but the early there get to see the importance of bitcoin the good for them, the fact here is bitcoin can be used for both good and bad, it all depends on the individual.
- Banks are also not a legal environment as you think, there are some money laundering activities from businesses that are supported by banks, the problem is just an outlawed agreement between organizations, the rate of profit as well as the level of risk avoidance, the bank only works for the top institutions in such a style, in return for a long-term cooperation. The coroner also couldn't verify, the numbers were changed too small and faked too much, sometimes crypto is also a little corner of their office with secret numbers