Given the high-tech world of modern biology, the method by which the Scottish team managed to provoke this extraordinary dedifferentiation is almost old-fashioned in its simplicity.
Old-fashioned methods work better than modern ones. 
mnli hypothesis: Old-fashioned methods work better than modern ones.  premise: Given the high-tech world of modern biology, the method by which the Scottish team managed to provoke this extraordinary dedifferentiation is almost old-fashioned in its simplicity.