There are a bunch of problems with this even if implemented in good faith, but an obvious attack is that you convince a friend external to the community to (meet the minimum qualifications for membership and) accuse your target. This gets your target and your friend banned without investigation, but of course your friend does not care about getting banned.
There are a bunch of problems with this even if implemented in good faith, but an obvious attack is that you convince a friend external to the community to (meet the minimum qualifications for membership and) accuse your target. This gets your target and your friend banned without investigation, but of course your friend does not care about getting banned.