Part of it is work, yes. But consider. How much is your take home as a fund manager with 100M AUM? How much is your take home with 10B AUM? The work is the same, yet if the take home is different, you've proven that your income is not in fact earned through work in a moral sense.
> The work is the same, yet if the take home is different, you've proven that your income is not in fact earned through work in a moral sense.
You could say the same about musicians and authors. Are they immoral as well?