If you ever see an article where a person's age precedes their achievements, then whatever they have achieved is not worth your time.
> The 28-year-old Rothenberg explains that the goal of his one-man firm “is to open up my network to the founders and be available as a sounding board for them while taking a fraction of the cap table space that larger investors take. My network is often complementary to the other investors on the cap table, as they are often older than the founders while I typically invest in founders around my age.”
In this case, the metric seems to be VC-derived utility per dollar invested. Since utility is a nebulous concept, this metric is by definition also nebulous and inexact.