Perhaps we are missing a more complete picture of this individual. The sort of person who graduates school and resolves to take whatever job lands on his doorstep often has zero ambition, drive, or work ethic. However as we know he is successful with his crepe shop, he must in fact have some of those traits.
I think you have that the wrong way around. The person who graduates school and has zero ambition, drive, or work ethic is usually the one who won't take whatever job lands on his doorstep.
Speaking as someone who had very little ambition, drive, or work ethic, going to university seemed like a perfect opportunity to put off doing something with my life