I only know about it because of my fountain pen hobby; back in the mid 20th C, Esterbrook made fountain pens with replaceable nibs and offered a wide variety including a Gregg shorthand nib. I guess the Gregg shorthand people licensed the name for marketing. It was basically a normal non, but branded.
I don’t usually mention embedded programming, electronics, vintage stereo hi-fi, home automation, and fountain pens, among a few others. Of course finding someone who is into any of that could lead to some fun conversation.
I don’t think the person you replied to was talking about social darwinism
From your article…
The core idea of Social Darwinism is that the wealthy and powerful enjoy the privileges they do because they are more fit in terms of the traits favored by natural selection. The poor and powerless have less fit traits and therefore it is best to let them perish …
This reprehensible (and bullshit) ideology is distinct from the idea of a person making an unsafe decision like golfing on a mountain in a thunderstorm that directly causes them to die.