I wrote a post in 2013 to help these scientists understand the issues: Five Things You Should Know if You Want to Participate in the Junk DNA Debate. It was based in a talk I gave at the Evolutionary Biology meeting in Chicago that year.1 Let's look at John Parrington's new book to see if he got the message [Hint: he didn't].
There's one post for each of the five issues that informed scientists need to address if they are going to write about the amount of junk in your genome.
1. Genetic load
1. It hasn't seemed to help very much.