The first link is basically nonsense. How exactly can they know this? And even if true, they don't know whether the cause was incel or death. A good book on this topic is:
https://www.amazon.com/gp/product/B00EGWEYTG/
The second link is weak. You can read my thoughts here:
While this article might seem better than average for modern scum, it is still wrong. Monogamy is natural. Read this:
The origin of monogamy is discussed in detail here:
https://www.amazon.com/gp/product/B00EGWEYTG/
This book will clear up all the nonsense about monogamy being unnatural for humans.
The current hookup culture is nothing new. Most declining cultures had it. Liberalism and feminisms are standard features of declining cultures throughout history.
Women's behavior is strongly influenced by culture for evolutionary reasons. This is one of unique characteristics of humans, that we can shape our own behavior through culture. Certain culture are evil, and in such cultures, naturally women will be evil. Other cultures are good, and in such cultures, women will tend to be good. Culture is certainly not "human biology applied to a particular environment". Culture is an evolutionary competitive strategy of a group of ruling males.
I haven't bothered to post my own article on evolution yet in this sub because I just feel the population here is too stupid to understand it. But if you are interested, it is here: