The more accurate title would be "Less content by robots". Unfortunately, what is not mentioned in the article is that sole existence of these content-farms is

The more accurate title would be "Less content by robots". Unfortunately, what is not mentioned in the article is that sole existence of these content-farms is enabled by Adsense. So basically they are in the chicken and egg problem, and the only way to really solve it is to acknowledge that ad-based business models lead to detoriation of content on the web, get rid of Adsense (probably miniscule revenue contribution compared to Adwords) and then figure out how they resolve their own business model incentives and outcomes for users. Tough one.