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.
(..) I must accept my age and grow my olives and tomatoes. - We're not that old. - But you're very ill. Michael... Let me see what can be done. Let me work to make your path a little easier. - Your friendship does that always. - That makes me happy. Joey Zasa... You were wrong about him. (..)1990 The Godfather Part III