The claim is that "the alternative to letting the price mechanism bring supply and demand into line is to rely on something worse, such as rationing or queues."

The claim is that "the alternative to letting the price mechanism bring supply and demand into line is to rely on something worse, such as rationing or queues." The way the system works is we assume a profit-maximization motive by actors, and nothing about that changed before or during the inflation, so it's obvious that something else is going on (i.e. fiscal stimulus during supply chain disruptions).