While I agree with Buffet in general terms, I would also agree with you that trying to time the market based on something as inherently irrational as armed conflict is not optimal.

If you are comfortable going long, there may be some good discounts available on stable blue chips like ARMH under the general concept that you will be ahead whenever the bounce back occurs.

For who could be free when every other man's humour might domineer over him? - John Locke (2nd Treatise, sect 57)