That is absolutely true. But his upbringing gave him a near limitless amount of arrows in his quiver. You honestly don't think that was a huge advantage he had?
It's easy to "take a big shot" when you have all the support in the world.
Easier than without support, but not easy. Not everyone born to means goes on to found wildly successful companies.
Environment matters a tremendous amount. In common scientific terms, there is almost nothing that is not environment. DNA, development, parenting, personality can all be framed as environmentally derived.
Sometimes these factors come together to give people huge advantages, both in situation and support, but also talent, knowledge, and personality.
I think the lesson we should take away from this is the importance of good environmental influences in producing good outcomes.
It's easy to "take a big shot" when you have all the support in the world.