Without judging, this is the first I've heard of deliberately sinking ships to create artificial reefs.
This is somewhat common. Once cleaned up, they provide refuge for sea life, and increased economic activity for nearby communities via fishing and diving.
The program in the Florida Keys is huge.
https://gis.myfwc.com/boating_guides/florida_keys/pages/art_...
Your mind may be blown by https://en.wikipedia.org/wiki/Redbird_Reef
This is somewhat common. Once cleaned up, they provide refuge for sea life, and increased economic activity for nearby communities via fishing and diving.
The program in the Florida Keys is huge.
https://gis.myfwc.com/boating_guides/florida_keys/pages/art_...