Reading your post, I just realized that "bad culture" perfectly explains what bothered me about my last workplace. So thank you for that concise tag to put on what I was seeing.
As for your "now what", companies with a bad culture will be at a competitive disadvantage. Their efforts to wring more productivity out of their broken culture usually make the culture worse. My advice would be to leave ships once you realize that they're sinking. (That doesn't make you a rat!)
Glad I could help, but if the solution is "good culture" and culture is made by managers and C-levels, and they're not doing it, writing blogs that are, effectively, saying "good management makes people productive" is so obvious that it hardly seems worth saying.
What might be more pointed, instead of pointing to the "useful effects of good culture" why not have actual tactics on how to reform or remove bad management and preserve and expand good management?