Thanks for sharing your perspective! And yeah, I agree: the ability of an asset to produce income is critical. I’ve commented on it before in these two posts:

The Most Important Characteristic of a Wealth Creating Asset

Is Investing In The Stock Market Gambling? - Money: The Simple Way

What I’ve outlined here is based on a combination of income and appreciation, and it does work, but you’re right, the more you can skew it towards income the better off you’ll be