> Have we learned nothing? I suppose not, if you are considering "we" as "the set of people that designed languages like Go or justify the design decisions mad

> Have we learned nothing? I suppose not, if you are considering "we" as "the set of people that designed languages like Go or justify the design decisions made by such group". If you are considering "we" as humanity, in general, I'd say that no, "we" actually learned a lot and "we" already know better. But you still have some building rockets to try to prove the earth is flat, unfortunately.