I think everything should be observed from the point of view of an API designed to implement Redis commands, it is not a an API to access Redis from Lua in actu

I think everything should be observed from the point of view of an API designed to implement Redis commands, it is not a an API to access Redis from Lua in actual Lua programs. So the whole point is to expose Redis in Lua in a way that is the most native related to the internals of Redis, and not the most comfortable/high-level.