Watching that ad, I couldn't help but think it was a tounge in cheek thing like what some bloggers did to make fun of the Federal Liberal attack ads in the 2006 campaign (this one:
http://www.youtube.com/watch?v=5JoiOW1VWSg).
Go you to their website and it seems fly by night. Not much detail or professionalism.
http://www.ineverthoughtidvotepc.com/index.html
Would be surprised if this had any PC involvement at all. Appears entirely independent, as the tweets are saying.