which comes from peer-review and other scientists verifying it.
.. there are too many Prof. Dr. Dr. that did not "cheat" but still claim covid isn't real .. so the title really doesn't mean anything at all to me .. also having studied myself seeing what kind of idiots also got their exams .. it's maybe just a proof they can 'write' and 'read', but even believing this would proof 'understanding' is a big overestimation of the title itself ..