I am not sure it would even save the situation. Most agile methodologies assume a lot of constants to allow measurements to have any sense at all (for instance

I am not sure it would even save the situation. Most agile methodologies assume a lot of constants to allow measurements to have any sense at all (for instance scrum assumes teams members are stable, of that knowledge over their work perimeter is good, etc.) We work in a field where inherently there are unknows, and measuring the unknown is not gonna be that useful, however we turn it.