Earlier quoted context omitted.
The essay kind of misses the point, as the question was mostly about the meaning of word "earned". "Earned income", for tax purposes, matches pretty closely the kinds of income many people consider genuinely earned in the moral sense. From this perspective, if a startup grows organically and the founders become rich, they have earned it. But if the growth requires capital (an investment, a loan, or the wealth the fou…
Halfway through your second paragraph you started conflating income with wealth/capital. The wealth controlled by a startup investor becomes earned income, in your words, when the founder receives pay for their work, in the form of cash or exercised options or whatever else. To get that earned income, which is derived from wealth but is not the wealth, they have to earn it in the same way the wagies in your first par…
No. Earned income is salary, and taxed as such. Unearned income is capital gains, exercised options, etc, not taxed as income. It's pretty easy.
If we just use this tax office definition, it's effectively impossible to earn a billion dollars because you'd need to pay yourself ~$1.6 billion dollars in salary (depending on where you live), and very, very, few people can afford to do that