If the assumptions of the study were correct then it would imply certain extinction for a TFR below 2.7, whatever the population size. But one is certainly wrong, it relies on a hidden assumption that all offspring come from brother-sister mating.
www.patreon.com/posts/why-we...

Its main "benefit" to students is relieving them of the need to read those materials. It absolutely doesn't replace a TA. I feel the people who built it are chasing the wrong market. It might make more sense as a query engine for product documentation (which obviously no one actually reads) 2/2

But this isn't where AI is going. AI scrapes the web to produce a first draft which then has to be edited by humans. I checked out All Day TA to see whether it can do anything like responding to student ideas, and it obviously can't. It is a query engine for course materials. 1/2

Interesting. Given that lenses have supposedly been around for 4000 years, and that optics has always been a major area of study, it has always really puzzled me why it took so long to invent the telescope. I'll put Willach's book high up on my reading list.