In my experience, American companies tend to be overly optimistic, and Japanese companies tend to be overly cautious about timelines. See uncertainty avoidance

In my experience, American companies tend to be overly optimistic, and Japanese companies tend to be overly cautious about timelines. See uncertainty avoidance and long-term orientation: https://www.hofstede-insights.com/country-comparison/japan,the-usa/ https://www.hofstede-insights.com/country-comparison/japan,t...