Yes, of course, but this article seems to be neither unsupervised nor supervised learning, just some data analysis and statistics. It's not that it is complete

Yes, of course, but this article seems to be neither unsupervised nor supervised learning, just some data analysis and statistics. It's not that it is completely different from AI, but you don't need the term "AI" to describe it, except if you want to hide the methodological weaknesses. They say they haven't really studied if the recommendations work in practice, it's just the prediction of a statistical model.