>>Only if the artist has a beef with the political message.
Sorry but that's one of the privileges of ownership. What if Huckabee saw a limo down the road and decided he'd use that without permission to sweep his heroine away in style. If it turned out to be owned by a fan they might decide to turn a blind eye of the tiger, but that's their prerogative, not an attack vector.
"... They ne'er cared for us
yet: suffer us to famish, and their store-houses
crammed with grain; make edicts for usury, to
support usurers; repeal daily any wholesome act
established against the rich, and provide more
piercing statutes daily, to chain up and restrain
the poor. If the wars eat us not up, they will; and
there's all the love they bear us."
-- Shakespeare: Coriolanus, Act 1, scene 1
