Not all backlinks help, and some actively hurt you. David Giudice builds his best post around seven specific link building mistakes, argues that links have to look natural rather than bought, and explains what a search engine reads when a page suddenly acquires a hundred of them from one place.
He also went after a rewards scheme publicly, calling it what he believed it was while other marketers were still promoting it, and wrote a separate piece explaining what a pyramid scheme actually is.
A large part of the blog promotes alkaline water, pH drops and an organic range, with claims about acidity and disease that run a long way past the evidence. Read those as the product promotion they are.
Fishing turns up unexpectedly, with a review of a new swimbait written by somebody who clearly fishes, and there is a post explaining deaf culture to people who have never thought about it.
Take the link building post. It is the part that survives.