Cybernetics is not control theory. Control theory existed some decades before Wiener and Ashby, and continued to develop separately from cybernetics. I am very

Cybernetics is not control theory. Control theory existed some decades before Wiener and Ashby, and continued to develop separately from cybernetics. I am very interested in both fields, though less in modern cybernetics which is mostly philosophy and 'poetry' or something like that. What I'm asking why this book in particular is relevant today.