"Ships without sailors could keep humans out of harm’s way, and that possibility is not their only potential benefit. Without crews, shippers could save money normally spent on salaries, keep boats away from shore for longer and, without wasting room on accommodations, try more efficient designs that would emit less pollution."
- #EricTegler
https://www.scientificamerican.com/article/high-tech-ghost-ships-will-set-sail-sans-sailors/
How about redeploying all the salary spending to new, on-shore activities, instead of firing people because you can?