The parent comment was "Why are koalas nasty"? Their answer was "Koalas have chlamydia." How does this not add to the discussion? And this doesn't need a sour

The parent comment was "Why are koalas nasty"? Their answer was "Koalas have chlamydia." How does this not add to the discussion? And this doesn't need a source, that fact is well understood but not obvious to everyone reading this thread.