To retouch, or not to retouch?

After reading the article What Wrong With This Picture? by Kate Betts, I've gained a better insight on the whole retouching business of the fashion world. It's important for magazine editors to sell their product, so having good looking people on the cover will most likely make money. However, I do think that there are certain lines that should not be crossed. For example: taking a person's head and putting it on a slimmer person's body is wrong. It gives the viewer a false belief of how that person really looks. Overall, I think that the practice is perfectly fine as long as the photographers or retouchers don't over do it. 

The next article, Pixel Perfect by Lauren Collins, informed me on the processes that retouchers use in their work. She described more as an art form instead of a controversy. It led me to believe that retouching really isn't all that bad as long as it's done in moderation.