If you ever rent a truck/trailer, please have someone else load it. Wild oscillation is not desirable behavior.
Now, do we have reasons to be believe that this oscillation between shortage and surplus will grow or diminish? Will the next half-cycle of the oscillation create negative qualitative effects, even if it is ultimately diminishing?
I'm not saying there are easy answers to those questions, but we're better off being able to ask them.
I can certainly see opportunity to profit through stock market inefficiencies. Eg transportation stocks that were overpriced on supply chain FUD
If you store the products in containers, it's easier to ship them when there's a squeeze, and you're also warehousing containers ;)
Of course, the more people who buy the glut and sell the squeeze, the less of a glut and a squeeze there is.