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.
(..) Well, I might not get a chance later. You shouldn't have. The midtown tunnel's blocked by debris... but the cannons have enough firepower to make a path for people. Wait until the fighting begins. You're gonna wage a war to save your stuck-up girlfriend? To start it, throttle... - I got it. (..)2012 The Dark Knight Rises