The normal use of the term "dark age" refers to a time period for which historical records are not available. This makes it difficult to see in the dark age.
The term "dark ages" was coined by Petrarch with an explicitly negative connotation. It has never been a neutral term.
But the trauma isn't why a period deserves to be called a dark age. It's called a dark age because it's hard to see.
Your above comment could be rewritten replacing literacy of reading and writing with digital literacy and coding. Hackers (in the vernacular sense) may be required to "take back technology" in some future idiocracy of intellectual oppression.
Imagine if today the oil trade stopped completely. In a matter of months, the civilization as we know it would collapse. Even with this current crisis, we are seeing a sharp decline in the standard of living.
Well the grain was as important or even more important to the ancient societies than oil is to us. Without it, the civilization would revert to tribal hunting and gathering of food.
We can argue about the role of religion for the lack of prosperity but without cultural and spiritual connection provided by organized religion, people would not band together as they were. Grain alone was not enough.
Only when science allowed for more comfort and easier transportation (railroads, ships, roads, sturdy homes, etc.), did people start putting religion aside.
I would argue that some ancient civilizations were more advanced when compared to some medieval nations.
Trade disruption was not the only reason why those civilizations fell. The lack of a reliable way to preserve knowledge was another.
Now, imagine what would happen if modern humans lost access to Internet for a couple of years. It was about several orders of magnitude worse when ancients lost written knowledge that was kept, most of the time, in a well renowned place.
One such example was the Library of Alexandria. Imagine all the secrets and ancient technologies that were lost when they burned it.
it’s much easier for them to control and build personal wealth/power when isolation is rampant. lock in—or metaphorically, when wings are clipped.
one of graeber’s three freedoms is: the freedom to move _from_ one situation _to_ another if you feel it will measurably improve your life.
we currently see example after example where someone with influence—monied or political—is actively trying to limit our abilities to change situations. and of course as you pointed out, this is heavily applying in technologies as well.
But it would be so for a lot of other things we modern humans take for granted.
We are underestimating the impact of peace on global prosperity. When there is no peace, there is no trade. If there's no trade, there is not enough energy. No energy = no power.
And modern society simply can't exist without power.
I know of a certain country that loves war against small states and interfering with regional conflicts thereby disrupting peace.
I must say, I wonder if the dark ages were dark because of all the factors you cite ... or simply because they started using a non-durable writing material and historians can't find much information because all that was written down disintegrated before it could be found.
IIRC if any ancient work was transcribed around 9-10th century there is a pretty decent chance it survived until today. The thing about ancient Roman/Greek texts is that they had to be continually copied every few generations or so. So 50-100 years of extreme social upheaval might be enough to lose a significant proportion of all literary works.