Covid-19 has been a good lesson for most companies to bring to surface the vulnerability of their supply chains. However, we have many other events including recent tariffs and trade wars, economic downturn of 2008, and tsunami in Japan.
Thanks to Covid-19 almost every supply chain is being re-examined to become more resilient. But there is only so much you can do! There are external factors over which you have no control such as demand changes, up or down, tariffs or dock worker strikes!