Having spent a good deal of time working in a dogmatic data driven entity component system very similar to this one, I'd like to point out that while it's very

Having spent a good deal of time working in a dogmatic data driven entity component system very similar to this one, I'd like to point out that while it's very aesthetically pleasing to write code like that, it's not necessarily more productive or pleasant than a more conventional 'entity's behavior lives on the entity' approach.