That short sentence is a protest that those in the positive dog training world hear frequently from the people that have used an aversive in their training, as both their reason and justification for what they have been using to train their dog. Detractors of force free training will often say it with a sneer, claiming that positive methods do not.
The thing is, aversive methods DO work. They work fast. And that's what a lot of people are using them want - fast results. However much they work though, aversive methods inevitably come with fallout.
