I saw a bit of it (also put off by JC).
I don't know what I think about art made by monsters. I haven't seen anything painted by Hitler, but he wasn't an artist, and I'm guessing that any value attached to his works will have come from admirers wanting vicarious links to his memory, and for that reason I would happily see it destroyed. Picasso? Apparently he was a rotter in his private life, and a misogynist to boot, but his work is marvellous, so no, I think it would be very wrong to destroy it. I would happily give it a home if it were to be declared worthless. Eric Gill is more dodgy. His daughters have died recently (the last one a couple of years ago) and had to see his work including, presumably, the statue beside the BBC, and hear his praises sung. That can't have been easy.
But where does it end, and what about friends and family of the monsters? That bloke from Lost Prophets - what about the other band members? Should their lives be ruined too? And if you like the music, whether it is Wagner or Gary Glitter, should you be denied the right to listen to it because of something you didn't know about when your interest in it began? Michael Jackson's Thriller was the best selling album ever. Lots of people loved it - can they switch that off now?
And what about people who seem a bit unpleasant, or whose behaviour was basically ok in the times they lived? Ted Hughes? Lord Byron? Or the people about whom we know nothing of their dark side? There must be numerous artists, poets, composers and so on who got up to no good but got away with it. And then there are people like Oscar Wilde who were shunned by some for behaviour we now see as perfectly ok.
On balance, I think it's an interesting subject for debate, although I don't know any answers, but wouldn't want to condemn a piece of art to destruction on the sayso of a studio audience, with people like Jimmy Carr and Janet Street-Porter (although I like her) leading the discussion.