Bad weather, a reckless campaign of nationally coordinated industrial action, infrastructure upgrades of all kinds, and a pandemic, have all contributed to creating grave disruptions to Australia’s container supply chain. Particularly in relation to the management of empty boxes.
Although little can be done about most of these contributing factors, holding the country to ransom by disrupting the supply chain through a nationally coordinated protected industrial action...
https://shippingaustralia.com.au/current-events-container-hire-and-management-of-empties/