However focusing on what you can’t control is to nullify your competitive advantage as a human: your brain. There’s a reason they say “luck favors the prepared mind”. Stop feeling sorry for yourself and play the hand you were dealt.
As a species, focusing on our competitive advantage has brought us to 100 seconds to midnight on the Doomsday clock: https://thebulletin.org/doomsday-clock/current-time/ .
2. You're misusing "sour grapes" -- you don't know what it means.
3. You're hyphenating "sour grapes" -- you don't know how it's spelled.
On your other points, you are wrong. I hyphenated "sour-grapes" due its use as an adjective.
It’s just that individuals that have benefited from this false meritocracy have a vested interest in the rest of us “hustling” at the individual level instead of banding together to change the system for everyone.
The most influential aspects of being successful is an ancestral history of wealth and success along with luck.
The comment comes up because it's akin to focussing on some micro-optimizations in bubble sort instead of using quick sort
However, it also kind of backs up the thesis here, as Fermi apparently worked very hard to lose his Italian accent once in America, as a means of more effectively communicating with the locals. He then became the leader of the Chicago reactor project, then an all-around consultant for the Los Alamos Manhattan Project.
Hearing such quotes may be to them insult to injury if coming from well born or huge outliers (that got 1/million lucky).
Even the most disadvantaged should still prepare themselves. And ideally get extra help, without pretense, from those who never had to face their precarious circumstances.
There are all kinds of possibilities and opportunities in front of us every day. We're "lucky" when we can a) identify them and b) take advantage of them.
There are lots of strategies for this ranging from the simple (learn more) to the complex (networking, the people kind) and everything can give you additional perspective, opportunities, etc, etc to make you "lucky." As you're successful with a few, you can build momentum, reputation, etc to grow your "luck"