Take EDM for example; it's a combination of words and sounds all cramed together to create a piece of music, most of the time it has no official reason or back story but is simply made to be enjoyed. This concept is the same with Jazz music. When jazz was invented there was no definitive reason or way to play it, you just grabbed an instrument and started playing whatever cords and rhythms you thought sounded nice.
Answer:
They scorned and rejected the post-impressionists' new vision and purpose.
Explanation:
Post-impressionism was for a long time considered an inferior form of art and many did not even consider works as art and as something relevant. This is because, post-impressionism endeavored to show spontaneity, giving less emphasis to technical elements and more emphasis on presenting sentimental and emotional elements of the human being. Thus, in the beginning, people despised and rejected the purposes and works of post-impressionist artists.