I agree that abandonment is the worst form of punishment to SOME dogs. Independant dogs most likely have a different trigger. True abandonment isunforgivable . But to say 20 minutes? That means you can never leave your dog alone unless you have another dog? And I'm sorry, but two of my dogs have been by themselves overnight with no other canine compnions and they're not psychotic. As much as I love my babies and as much as they're my surrogate children there IS a difference. Puppies are walking at a few weeks while it takes a child over a year. Children need to be nurtured as a matter of nessecity and socialization if they are to function as adults.
While I believe that the poster had good intentions, their comment is, in my opinion, totally unfounded.
PS. I'm doing this before I leave for work so if it's garbled and makes no sense I'm sorry I'll fix it when i get home.