Yes, as an admin, one should be aware of the legal consequences in case of a breach of trust:
According to a decision of the Labor Court Aachen from August 16, 2005, the unauthorized access to other people's emails by a system administrator justifies his immediate dismissal (Az. 7 Ca 5514/04).
Power (in the sense of access to data that is not accessible to others) always means responsibility. By the way, this has been clear to many sysadmins for a long time. It would be nice if politicians (whose power is often much greater) were also aware of this ...