Why doesn't the SPCA seize yard dogs? It has seen thousands of dogs like Buzz and the poor old fellow who Buzz replaced who died in this feces and urine-filled prison.
Buzz's "before" video: http://www.animaladvocates.com/VIDEO/buzz.htm
AAS's Happy Ending page: http://www.animaladvocates.com/HAPPY-ENDINGS/happy-endings.htm