This is true to a point if you need a general purpose entity management framework that will scale to whatever but a lot of games in the "make a game not an engi

This is true to a point if you need a general purpose entity management framework that will scale to whatever but a lot of games in the "make a game not an engine" vein don't need that complexity. Adding a dependency can save time but can also be its own rabbit hole. One of those things where discussing theoretical stuff doesn't help because "it depends". :D