Does the message read "WATCH OUT!"?
Since it is not "Under Command", can't anyone that comes across it claim salvage
If you see it, get the nice equipment
, and "scuttle" their ad campaign. Otherwise anything you do will become part of this stunt within a stunt.
A 2.5 ton bump in the night killing or sinking someone would not be the best publicity, but you know what they say in today's world; "no publicity is bad publicity".
Having publicly launched a large obstruction, they are certainly liable for it. I wonder if their insurance
company likes that idea?