I'm thinking of the parallels between dualities that they each offer: McGilchrist's right/left brain, Brooks' first/second education, and Kahneman's System 1/System 2. Of course each of these calls for a million qualifications, but I think you can line them up as follows:
McGilchrist :: Brooks :: Kahneman
Left brain :: Formal ('first') education :: System 2 = reflexive, "rational"
Right brain :: "Second" (sentimental) education :: System 1 = primary, most influential
Nothing earth-shattering in noticing these parallels, but noting them might open up some new synergies.