They're not OP instead, they will fight against the growth of crypto as they think this was a threat to them. Because the moment that crypto becomes legal, many will no longer use the banking system anymore. Of course, this never makes them die or the collapse of the banking system, however, this will cause a downtrend of their possible income.

Digitalization is a new trend now if we see Banks have also upgraded their system to cope with the demand of digitalization.