It's nothing more than rebalancing, it's known as the "Pantoffelportfolio" here in Germay from "Finanztest". Because it's a passive strategy, it works for stupids too. This i believe all humans are simple minded, without any exception, fatuous as an earthwurm.
The more a human believes in it's intelligence, the more stupid he is, because there is no absolute intelligence, rationality, wisdom, or strengh. Animals and plants are becoming more and more intelligent and rational over us over time, the end of this way is cruelty among humans.
The rules of rebalancing contradicts the rules of neoclassic economy in the way, that market price oscillation is leading to profits only. One profit with cheap buy, the other profit with expensive sell. The result is a deescalation of market price deflections. Better yet, the higher the deflections, the higher the profit above average. But if all people in this world do it, then there is no gain for any person any more. This is the human way of trading, open and free, and the greedy elites will try to break this community the neck. This can only happen, if we stay more greedy than them.
The neoclassic economy is not wrong, it's the escalating greedy I-economy or me-first-economy, with people who believe they are knowing, and could predict the market. The people playing this game want to get rich, but they loose all longterm for sure.
As earth worms leaders do not make sense. They are only for delegating theft to a more unscupulous person than oneself.
For rebalancing distribute your wealth over a set of non correlating assets, each asset having a budget (equates confidence) in % of all savings. Rebalance from time to time, especially after an unexpected heavy market price deflection. Take your time, the longer you can wait, the higher is the profit, the greedy world is giving you its wealth by choice. Profit is not the goal, preservation is the goal. And never use credit, it's not allowed in a humane world!
Preserve this earth! Stay tuned!