If it's truly a generational change, that would be a very interesting development. Especially if it happened in just the five years between when we were teenagers - I had no impression that people a few years younger than me had a wildly different experience than me. But I could certainly be mistaken.
Do you find no familiarity at all in these descriptions? Meaning some of the following - Being more interested in reading than gossiping, liking technical projects more than team sports, being uninterested in popularity contests and social status games to such a degree that you barely care about losing them, prioritizing learning over number of superficial acquaintances, having ideas and thoughts that you assume to be true but for which you experience lashback for stating out loud. Potentially experiencing some loneliness or hostility over this, not necessarily making that part of your identity, eventually seeking a small number of like-minded folks...
Has the world really changed this much? From my perspective, it seems likely that you're just not the target demographic for this essay.
On the other end, nerd-culture had permeated all levels of the social strata, and my very popular friends who partied every weekend were also semi-pro halo players and avid anime fans and didn’t hide either of those facts.
It’s only six years, but it could have been wide exposure to the internet? Also very possible I’m seeing the past through rose colored glasses.
Computers weren't available until the early '80s, and weren't affordable for another decade, so few kids had easy access to them, and networks didn't arise until about 1990. So if you were born before '80-'85, you had a tough time rallying around tech toys with other nerds/geeks to share your enlightened world view.
Stewing nerds in their own juices through adolescence tends to foment fierceness, which is just another word for not understanding or tolerating non-nerds very well. With today's omnipresent social connectivity, isolation should be less a problem in 2021, since tech content and cool devices are everywhere today.
What I would have given to play around with RPi or robots in my teens...
If you want a not very distorted glimpse of what it was like watch the movie, "Revenge of the Nerds".
Edit: in the movie nerds sell secretly taken naked pictures of said girlfriend to earn money. The movie is old and ridiculous, but when you start to claim this is how things were, I want to know wtf was going on in your school.
these kinds of events can fly under the radar if you aren't involved. I only know of the situation I'm thinking of because the girl found out and complained to the school, which ended up expelling the others involved.
More importantly, if movie is accurate, then nerds are no better then evil jocks. They are just two groups of bullies and assholes locked in a fight where everybody who avoids them is doing something smart.
In your school, did the girl that got her nudes public got together with the dude that took them and sold them? You can peel levels of that movie how much you want, you won't get meaningfull image of reality.
In challenging or AP classes you had essentially two groups, the jocks, who were trying to follow a college track, for which sports were essentially requisite in our district, and the nerds who just liked learning stuff. The jocks(male and female) did their homework as a group, complained loudly about difficult tests/assignments and consistently used their relative influence to affect their grades. The nerds brought in their own lessons, asked questions that lead the class off topic, consistently read the textbook and stayed late to ask questions rather than negotiate.
Anyway, thought I’d throw this anecdote out there for variety.