there are those who pursue it rationally (with rigorous mathematical analysis) and those who pursue it heuristically (creating a variety of systems and testing them on small samples). [...] both approaches seem to deliver benefit with no clear winner
“Rationality” is what I would call the meta-analysis which concludes that both approaches are equally valid in this field.
“Rationality” is what I would call the meta-analysis which concludes that both approaches are equally valid in this field.