Earlier quoted context omitted.
I think as a mathematical comparison. Given a successful product, there are likely way more engineers than product people.
That's assuming the consequent though.
Also, even in the 0 experience group, the selection will be tougher. This is independent of the measurable or existing differences in skill. The person that is best at convincing the employer of hiring them as a solo product manager is in a better position to negotiate than the person who managed to be among the five seemingly best developers.