Possible Clues:

• Finding fault may be very important
• Kind of thinking
• One in armchair perhaps, a learner finding fault
• Not perhaps digging someone’s grave
• All-important fault-finding
• Reviewer a layman initially on the danger list?
• Reviewer, a Liberal, very sick
• Wild Arctic tours I left, showing disapproval
• Uncomplimentary reviewer, a student
• Major's really sick