They make money the old fashioned way... they earn it.
Why argue about decisions you're not powerful enough to make yourself?
Seeds not planted or tended by choice tend to be weeds, so at least for me, it's very helpful to consciously and periodically choose which seeds I want to water, and to think through what I expect to happen from that watering. Investors can spend a lot of time and energy reacting to the latest bits of news and trying to predict the next surprise, rather than choosing a consistent set of daily actions that they can carry out as things develop, regardless of how they develop.
The Alexander Technique has played an important and beneficial part in my life.