Yes agreed; I'm guessing by meta object that is the module pattern from fp with syntax sugar? I use the module pattern with typescript interfaces plus namespaces and it's pretty great.

100% on the actor model. My visual programming platform is basically based on actors, but the core data model is cybernetic (persistence is done via self referentiality). Alan Kay got shafted by the creation of C++, OO in the original conception was very based.