On the playing out from the back thing. I read an article that this a modern day phenomena. It was noted that statistically hoofing the ball forward led to a goal for the opposition more often than not.
it turned into the playing out from the back. Now I always look at this as something realistically only the top teams could do as it requires elite concentration and control.
not a fan of it myself, but most teams take the odds that we won’t lose the ball are a lot better than getting it forward at first opportunity.