Sometimes. Several banking websites only allow login through their apps. There was even a bank here who did a minor update in which they decided to block rooted

Sometimes. Several banking websites only allow login through their apps. There was even a bank here who did a minor update in which they decided to block rooted phones, locking many people suddenly and without warning out of their banking account, I was evaluating them (luckily, it was worse for people who had DKB as actual bank) and had to contact support to close my account.