As an Artist/Musician/Painter/Writer etc., this is a good question...I would say dependent upon how much of their Politics enters into the art. Myself, I'm sort of an Anarcho-Socialist/Surrealist/Dada-ist Far Left yet somewhat apathetic, I've purposely kept politics out of my music, and art, to a certain extent. I try as much as possible to keep them separated. I guess it would depend on the Artists technique, style. Like I don't totally agree with the hard line stance of Breton' s Communism, and his autocratic power over the group. My personal feeling is he was brilliant, but his politics made him inflexible. Dada/Surrealism is too Chaotic, too naturally Anarchic for a rigid system to be put forth as dogma.
Now.. we come to the tricky part above and beyond lifestyle/political matters, I cannot write political stuff. I deeply admire the work of people like Jello Biafra and The dead Kennedy's because he creatively blended politics and art, same with Black flag and Henry Rollins' work. I can't write along that way, it loses my interest.
Now the real Question is what do we consider art to be. Personally, Much of the roccoco, Reinassance stuff, with only a handful of artists actually intrest me. the rest are boring. Georigio deChirico teh Italian Metaphysical/Surrealist painter wrote a book called Hebdomeros, which is absolutly brilliant, perhaps better than much of his paintings. Albert Camus's "The Stranger" Is brilliantly hilarious, but it's supposed to be taken "Seriously(Insert John Ford Biblical epic reverb here)" A friend and I used to joke about Lenin and how people must have at some point told him to Lighten up, we would imagine the scenarios that Lenin would find himself in, very Charlie Chaplin, Again another example of a brilliant catholic artist/writer/composer painter etc. etc. The Mona Lisa is only worth a damn with the mustache. R. Mutt/Marcel Duchamp's Fountain is genius. Yet his true genius and the only piece that I would actually visit an art gallery to see is "Etant Donnes' Duchamp's work of shattering totally the concept of art period that took him 20 years, and no artist, save a few of Dali's works and Max Ernst can even come close too, but no artist, yes I include the Dull, But Great Masters, Nothing tops the entire devotion concept plastic finished product. Da Vinci could have flown a row boat to the moon, It would have beeen mildly entertaining, but never could he begin to touch the totality of conceptthe destruction and reconstruction of art, that Duchamp does in his last piece. but That's My taste.

Amphetamine Gazelle by the Band "Mad River" from their self titled debut in 1968,because i have severe ADD and have to take Amphetamines to have any focus, but the fact is that it's like ,although it works, sometimes it's gets me too wired, or it slows me down paradoxically.. or " Lather" From Jefferson Airplane, or a bunch of songs by Zappa since he grew up in The Mojave desert like I did, and I know the places he talks about in some of the songs, and can relate to things he talks about,...That's a tough one cause I'm a Musician...

Amphetamine Gazelle by the Band "Mad River" from their self titled debut in 1968,because i have severe ADD and have to take Amphetamines to have any focus, but the fact is that it's like ,although it works, sometimes it's gets me too wired, or it slows me down paradoxically.. or " Lather" From Jefferson Airplane, or a bunch of songs by Zappa since he grew up in The Mojave desert like I did, and I know the places he talks about in some of the songs, and can relate to things he talks about,...That's a tough one cause I'm a Musician...