Complex sentence: Post-modernism is not subverting and destroying the gallery clique it is just pandering to it and distracting attention and funds away from artist trying to make fresh, quality art with their own hands.
Split into simpler sentences: Post-modernism is not subverting and destroying the gallery clique. It is just pandering to it and thereby distracting attention and funds away from artist trying to make fresh, quality art with their own hands.