It thought the final paragraph was very clear: I would suggest that more progress could be made if the smart and talented Squeak list would think more about w

It thought the final paragraph was very clear: I would suggest that more progress could be made if the smart and talented Squeak list would think more about what the next step in metaprogramming should be - how can we get great power, parsimony, AND security of meaning? Did you mean that he should have described actors, but did not? To me at least, "ma" goes beyond just the actor model.