The bigger and real question is how to start from nothing, without family and connections.
You can't.
Look at the family background of those people and you will see why. It takes generations of setup as the backbone.
And the existing billionaires may make sure you don't make it to the "club". Be ready for a brutal uphill battle.
Make something. Musk came from nothing. He's not even a natural American. If he can do it, then it's not about rich vs poor, it's about the doers vs the dreamers. Same for Beezos, and Zuckerberg,
You have better odds winning a lottery.
I agree with you somewhat. but no matter where you are from or what you have you can make the next water hose spigot that will never drip, we have planned obsolescence in alot of out technology since the light bulb cartel had that big brain meeting to make things not last too long so they would be bought again, making more profits. but there are things out that that's above my scope to see that can fix the world. we need that drip proof hose!