I have been buying GSG for the last few weeks as a hedge. Beyond transient effects of COVID-19, more chaotic weather due to climate change seems to be wreaking havoc. Beyond that, our economy seems to be increasingly reliant of raw materials that are increasingly harder to extract or that we demand more and more of.
For examples of climate havoc, look at the drought in Taiwan and the deep cold in Texas.
For examples of resource contention, look at oil and even at nickel. Those batteries meant to replace oil in turn require cobalt or nickel (at least for certain applications).
The climate havoc and resource contention have much greater than linear effects. I don’t think most people realize this. Food shortages lead not only to higher prices but to civil unrest.