Their older children all became doctors, but their youngest son chose/followed a different (career) 'path'.
His friends all went to college, but he chose to 'follow' a different path. [=to do something different]
He believes the average consumer is being 'led down the garden path' by the promises in advertisements.
(..) You know, huge, scaly, big antlers. - You don't have those? - I don't think so. Well, they are repulsive. And they trample everything in their path. When I first came to Earth, Loki's rage followed me here, and your people paid the price. And now, again. In my youth, I courted war. (..)2012 The Avengers