If you compare a port ANYWHERE to the US, odds are that it is more efficient. The US ranks last.
South African ports ranks last, apparently.
https://www.dailymaverick.co.za/article/2024-06-10-abysmal-r...
When you look at Europe each sea faring nation has at least one modern port that can facilitate the largest container ships. And Unions generally don't operate across borders so a strike can be broken by diverting traffic.