What causes this style of linkedin posts anyway? What causes so many people to adopt that writing style? The one where there's some short paragraph intended to

What causes this style of linkedin posts anyway? What causes so many people to adopt that writing style? The one where there's some short paragraph intended to evoke some feeling or thought, then longer ones that elaborate on it in some way. Or something like that, not sure how to describe it. BTW its puzzle games are what keeps me coming back every day and see those posts :p