This aspect (variability of requirements spectrum) is exactly why Julia language seems to be extremely attractive in that it represents an excellent and unique

This aspect (variability of requirements spectrum) is exactly why Julia language seems to be extremely attractive in that it represents an excellent and unique solution to the "two-language problem". The only issue that I'm seeing right now is a relative immaturity of the Julia ecosystem (tooling, talent, etc.), though progress in this regard is significant.