What did Matthew Hutson from The Wall Street Journal criticize about Jon Ronson's book 'So You've Been Publicly Shamed'?

A. Its reliance on anecdotal evidence rather than empirical research
B. Its lack of academic rigor and failure to engage readers
C. Its inability to cohesively present the costs and benefits of public shaming
D. Its overly broad scope and failure to focus on a specific topic
Answer: 