In that light, it's useful to compare reviews of books you have already read with your own assessments of those books. That way you can get a sense of which reviewers are more likely to write future reviews that will dovetail with your own values and expectations.
The fact that the book is written by 37 signals (the people behind Basecamp) compels me to read it on that merit alone. Just to get some insight from people who actually have proven themselves in the marketplace.