Not sure if you've watched the (entertaining but long) lecture by Casey Muratori linked at the start of this article, but I think this is sort of his point. ECS are powerful not just because of how modern computers schedule and execute code, but they also force you to break the traditional OOP encapsulation ideas, allowing more systems to 'reach across' systems.
He has a interesting discussion about how this 'omniscience' is viewed as a bad thing by many, but it is also incredibly powerful for business logic, especially with heavy user interaction like games.
He has a interesting discussion about how this 'omniscience' is viewed as a bad thing by many, but it is also incredibly powerful for business logic, especially with heavy user interaction like games.