> It's also worth noting that the idea didn't grow over time
I doubt that he started out imagining he would build the world's biggest cloud hosting platform or open the first chain of checkoutless grocery stores.
The internet - the only place you can find a snarky comment doubting the validity of a statement made by the actual 2nd ever employee of Amazon, who knows infinitely more about what Jeff Bezos wanted to achieve than the doubting commenter.
I doubt that he started out imagining he would build the world's biggest cloud hosting platform or open the first chain of checkoutless grocery stores.