I definitely agree with you and mathgenius that mathematical techniques and technological progress created while investigating macroscopic behavior may be usefu

I definitely agree with you and mathgenius that mathematical techniques and technological progress created while investigating macroscopic behavior may be useful for making breakthroughs in "fundamental" physics. There is certainly precedent for that sort of thing. Perhaps complexity theory will have some significant impact on physics this century, who knows. But it's unclear whether there's anything that pure mathematics or mathematical analogies to the macro world can tell us about how gravity and quantum mechanics are unified, or any of the other big open questions at the bottom.