Reading Comprehension (RC) | Re: Most pre-1990 literature on businesses' use of information

Hi, I still don't get why answer C is true in Question 1. Passage clearly defines old belief -> paradox -> proponent of old belief -> why paradox -> resource based theory explain. Answer E clearly shows that passage resolves disagreement. Answer C has words "unexpected findings". What ARE findings in this passage? and where passage shows unexpected? Please help to clarify. Thanks