Earlier quoted context omitted.
What you do with the savings makes all the difference. For example, you could invest it to upgrade your job skills, making for a much higher income level. Investing it at the current negative 4% or so is not much better than setting it on fire.
Investing in yourself is only worth it if you are better than average. People who aren't just waste time and money trying. But if you are better than average then investing in yourself is huge. That is essentially the only reason investing in a start-up would be better than just investing in someone else's start-up, you have to bet that you are better than the other people. And then if you keep reinvesting in yoursel…
Investing in yourself is how you become better than average.
I'm saddened by the persistent negativity I see here. Buck up, dude!