The ratio measured who draws. Drawing got cheap, so the ratio rose, and it cannot tell a company where PMs ship scored prototypes from one that cut design and will find out in the repair rate.
Lenny's figures as he reports them, the Figma trial as Nielsen reported it, and the two numbers to count instead are in Lenny Counts 3.8 Open PM Roles per Designer. Kill the Ratio. Count the Surfaces With a Rubric.. The rubric sizes and the six of thirteen rows are from Figma's Trial Closed 70% of the PM Gap. The Gate Is the Rubric, Not the Designer., and the method for writing the rubric is The Rubric Is the Spec.