Elegy mentioned something that I think too many people are overlooking. This woman is not simply someone who acted with impulsive pity to help a hurt dog; the website says she's the founders of an anti-chaining group, Dogs Deserve Better. Her actions may be just, but her disregard for the known consequences (after all, she would know the law surrounding chaining) damages her and her group's credibility, and ultimately damage her cause. One major reason people burn out of trying to effect social change is that they often, in trying to change society, are faced with being the last people on earth who can help an individual. Activists against child abuse can't kidnap battered children, activists for the environment can't murder the CEOs of logging companies, and activists against dog abuse can't steal people's dog. Not without brutally damaging their cause, they can't. Activists work within the system. And being an outlaw is attractive, but it also has a price. You have to be very sure your actions are just, and that you're not simply reacting out of your own emotional needs for rescue. Nothing I've seen has indicated that she understands that she crossed over the line between advocate and thief. She seems to think she's so morally justified as a thief that she can still be regarded as a wronged activist. And what's even more disturbing, she doesn't offer much background on the dog. The photos of the dog's state are a good start, but she gives no evidence that the Arnolds had no excuse for their behavior. My heart goes out to the dog too, but she and her defenders give no account of an effort to contact the owners for their version of how the dog ended up so bad.
Personally, I find the dog's condition shocking and suspect that the dog was neglected beyond reason. But I wish this woman had just hired a local kid to steal the dog for an afternoon when she was out doing something very public. Grandstanding on a mistake like this is incredibly selfish. She screwed up to publicly grab the dog, because many people, including those not in rural areas with lots of chained dogs, remain wary of anyone who purports to be out to 'protect' their dependents. People armed with the ultimate defense that they're rescuing a helpless innocent are very powerful, and while the abuse of children and animals is a horrific thing, you can't fight it effectively if you trigger the fears of parents and pet owners that some faceless, self-righteous organization will swoop in and grab your kids/dogs/etc.