You cannot use a global trend to explain a specific situation and then explain that global trend as wanting to have kids or not, and then think that you have se

You cannot use a global trend to explain a specific situation and then explain that global trend as wanting to have kids or not, and then think that you have seriously offered a better hypothesis than OP. As an analogy, I started playing Minecraft because my friendsand I were compelled at the idea of building stuff on our server, not "because" (to use the word you used, though there is no causal connection) people all over the world start playing Minecraft.