I'm sorry if I'm blunt, but the last year of compiler improvements have been nothing but targeted for this exact purpose? That's half of all spent time since 1.

I'm sorry if I'm blunt, but the last year of compiler improvements have been nothing but targeted for this exact purpose? That's half of all spent time since 1.0! The issue tracker is filled to the brim with PRs and issues about making _everything_ faster. How does this constitute "refusal of a obvious step" for you?