So if you buy a lawnmower and use it for your business to cut your neighbor's grass (instead of tearing it apart by hand), that should be illegal? You've used a capital investment to increase your productivity. Your productivity gains have driven anyone using a less efficient method out of the market.

What if it's a robot lawnmower instead of a push mower?

What if you and your neighbors pooled in some money to buy the robot lawnmowers?

What level of indirect management is unethical?