...that the greatest sign of freedom of speech is someone defending another person's right to say something that they, themselves, object to.

So it is with "the arts". If we defend "the arts" we have to defend someone's artistic right to produce garbage. They have the "right" to produce it. Maybe we should support it a little, but not too much, or everyone will be cashing-in their garbage.

With art, the trick is to get there first:-

Leonardo sketched crazy war machines and became famous. Today teenagers do this and get visited by the FBI.

The Renaissance artists painted pubescent females. Today, you get a visit from the child Porn people.

Andy Worhol painted a soup can. Today, it has to be an existential soup can, with proletariat suffering...