I'm afraid you're sadly ignoring the power of willful ignorance.
Note: I think it's fair to say, SK is/was ready or has responded well, patient 31 notwithstanding.
I think the USA needs to work on the basics, but other nations will have so interesting advanced strategic decisions. i.e. Does ventilator design changes frequently? Does it make sense to have an on-demand factory or just build up a stockpile of ventilators that can be distributed as needed?
Be careful what you wish for: https://en.wikipedia.org/wiki/Hygiene_hypothesis
I encorange you to think what,would happen in a scenario where airborne ebola is burning through the world at the same time as most of our antibiotics start to fail due to resistance.
It's so horrendous to think about. I can't belive you think it's not worth preparing for. You reckon the USA should scrap its military until an invading force turns up on the west coast?
This looks completely different if, in 10 years, we can produce vaccines in months, not years.