JKR vs SVA

OK.  So I know that JKR is suing Steve Vander Ark for copyright infringement or some other related "don't use my stuff to make money" thing.  But what I don't get is the animosity I'm seeing towards SVA here?  I mean, it's a very interesting case, and I mean to follow it in more detail, but I don't get the "hope she kicks his ass in court" feeling.  I am just a casual observer here, and have no strong feelings about it.  So why the snark/vindictiveness toward SVA?

 Anyone?