this article doesn’t really consider what the word “conservative” means. It really sees liberals and conservatives as different tribes, the members of which are united by similarities to each other which are quite shallow. By this kind of definition, voting for Trump would be a defining characteristic of being Christian.
there are plenty of artists who are both genuinely creative and conservative. I think the best example of this would be Johann Sebastian Bach. He started from a tradition he was firmly rooted in, and developed it fully within itself, thus conserving that tradition by helping it grow. And he was a great artist..