The whale consequently appeared to be saying thanks to him! Take it from this watcher who appeared to figure out Vitry’s French.
“For those intrigued, the person (an abroad French, I’d say Reunionnais, yet he could be from another island) discusses that it was so bizarre to see this sperm whale come to them with its open mouth yet aggressively, how he saw that its mouth was dying, and how after the snare was eliminated he got some margin to attempt to cause the whale to comprehend it was finished, embraced it, and how the sperm whale held on for some time from that point onward, giving indications that could be deciphered as appreciation.”