If nothing else, this has showed movies to be far removed fron reality. I imagine in hollywood, the US government takes something like a virus of questionable origin quite seriously. Not just because it can kill you but because it might mutate and a deadly strain might surface and do the real damage.
The real response was hard to fathom for most of the world. How can the most powerful nation on earth struggle so badly? More so since we live in the digitally connected age where data is plenty. Does this mean if we had an alien invasion they'd dysfunction as bad as they did? Its outrageous really.
Being prepped and having the financial muscle to buy supplies for months in advance is well and good but most people arent in such good financial terms. Therefore prepping is a function of time and money where money is the determining factor.
Not a lot of people have a lot of money. As much as they'd like to get into the practice anti-fragility, the economics disagrees with them