What an unnecessarily combative response. Saving 10% of your paycheck doesn't make you incredibly poor, and saving 50% doesn't make you ultra rich.
Making $50k and spending $45k versus making $90k and spending $45k.
Making $50k and spending $45k versus making $90k and spending $45k.
"Getting rich via investment depends on having income above a threshold which is set by the cost of living."
It's just not necessary to talk about getting rich. Getting rich is not relevant in this context. You made claims that are blatantly false that are part of the ever tiresome either rich or poor-dichotomy.
Most people can save money and invest that money in a way that makes them shareholders.