This was a good video. I watched through to the end and it shed a template for of things I may like to write about and also tackle away any writing block.
I agree it is happening globally, I'm from South America and there are statistics of birthrate fall as well in my country. As personal experience in my company ~90% are single childless and we are in ours 30s 40s.
My first job as Software Engineer, the recruiter found me because I participated in ICPC contests, I don't know how common it is today but it happened ~10 years ago.
I have heard a similar story or two and they all have involved google.
I'm not sure when these leetcode style interviews became pervasive but it makes sense that recruiters would figure out quickly where to find people that would excel at that interview process.
At my country (Bolivia) during the coup we noticed real news being reported as fake news and take down, fb tools don't really work in either side real or fake.