There could always be cases where such information could be sent to places that could deal with such things, so there needed to be some degree of control within those places too, which included the police, politicians and other places.
Even if there were such people in place to disrupt those kinds of investigations and block them, there were always people who would try to investigate without the approval of their superiors if they had a hunch that something was off.
If the Balancer Association and others related to the supernatural world were too busy dealing with such matters, then it was quite easy for their operations to be disrupted.
It would be especially troublesome for them to keep functioning if they were being investigated for account fraud or something else, since their accounts could be temporarily frozen during that time.
