If you're making an empirical argument that these techniques provide more harm than good, you need evidence. If you're making an argument that they are just evi

If you're making an empirical argument that these techniques provide more harm than good, you need evidence. If you're making an argument that they are just evil and if you do them you should have trouble sleeping at night, that's another argument altogether. I'm not sure which of these two arguments the article is trying to make, but it's very short on the empirical side.