They should be getting $0 because their jobs can be automated
Terminal automation poses big changes — and likely some job losses — in those dockworker ranks.
LBCT, for example, features remotely run electric cranes gliding back and forth and a computer-controlled stacking system. Multiple containers can be handled by the cranes at one time."
https://www.presstelegram.com/2021/08/20/completion-of-long-...
EDIT: Apparently my factual post about saying crane operator jobs can be automated was flagged. Incredible