Answer A: Are you assuming that the philosophy of science is a done thing? It would be wrong to look back from our vantage point and make that conclusion. It matters not which theoretical improvement or refinement of the scientific method you point to if you forget that.
Answer B: Kuhn's text uses the history of science to come to a philosophical (not a scientific) conclusion about scientific progress. Hence, Kuhn's text is philosophy of science and as such your question fails to make the point you think it is making.
Now, how about answering my two questions? :)