What are the chances of a bank closing your account if you buy bitcoin? i have heard people say they closed down their bank account for buying bitcoin, but this might have been a few years ago. he only said they closed his account, there is no chance of them taking all the money in your account, correct?
The least thing bankers can do is "freeze" the bank account. This only happens when the country you live in has either restricted cryptocurrencies or has no law over it.
If the latter then it depends on the banks whether they want to support cryptocurrency related fiat transactions or not.
Even if that's the case and the bank doesn't support crypto related fiat transactions then all they can do is "freeze" the amount in your bank.
They do not have the rights to access your funds or dissolve your funds. In this case you can go to the bank and get your funds withdrawn either by closing the bank account or by giving them assurance of not doing crypto transactions again.