We are speaking of a period of time in humanity's timeline that lasted 2.6 millions of years without any significant development, in which the life expectancy was apparently 35 for men and 30 for women and during which we suffered at least one near extinction event.
I would find the "paleo" trends to be funny, if it wouldn't be so disturbing that people can believe such bullshit.
Like, maybe children were constantly carried around because otherwise they'd be eaten by other animals, or even other humans, with the baby stroller being a luxury of modern life, made possible because of science. And there's no mention that before Christianity children were regarded not as being precious, but as being unworthy and disposable half-humans that are the property of their parents. And also, why no cave?