You have it reversed. "Estimating parameters from sample" (on the right) would be his observation that there was little discernible effect. Thinking that 1000

You have it reversed. "Estimating parameters from sample" (on the right) would be his observation that there was little discernible effect. Thinking that 1000 reprints of the paper would have a larger effect on practice would more correspond to "theory" (on the left), although that is a pretty vague one.