[czscout]

I believe they are referring to the fact that the article states that every crew member survived. As in, none of them didn't make it.

[sandworm101]

The human crew members made it.

[drittich]

+1, there are definitely some sad parts to this story.

[vkou]

He did one better - Shackleton returned to England with more crewmembers than he departed with.

[worldvoyageur]

If you don't count the dogs.

[slavik81]

And Mrs Chippy. https://en.wikipedia.org/wiki/Mrs_Chippy