It just requires game engines to develop a tool to make this much easier to do. The rule won't apply retroactively, so it just means different design choices from the start.

> For a small game studio it may be incredibly prohibitive.

Alright, you lost me here. All of the games that do not follow what this law would suggest are AAA (or scams, essentially). The smaller studios always have some acceptable end-of-life plan from my experience.