If you think success is guaranteed with grit and hard work, you are woefully misinformed. You can do everything right and still fail hard. “Personal responsibility” is a dog whistle for the willful ignorance of the necessity of government regulation and social safety nets.
The ones who quit tend to call those who dont quit lucky.
Your five decades is a drop in the bucket of human experience. I recommend more empathy and introspection on suffering of your fellow human.
“Shallow men believe in luck or in circumstance. Strong men believe in cause and effect.”
― Ralph Waldo Emerson
You don't know that dying in a gutter was actually better than the other option for their life.
Lucky people often prefer to pretend it was all hard work, but that kind of financial cushion makes a big difference.
Why not just actually argue the point you want to make rather than resorting to not-so-subtle personal attacks?