Earlier quoted context omitted.
If you want to save something in a life threatening situation, that's a fairly reasonable choice. I wasn't talking about a life threatening situation. I was talking about a "life threatened by not being able to float well enough to breathe" situation combined with a "life threatened by not getting out of a sinking thing fast enough" situation. Also if you think it's a reasonable choice, and the next person thinks it'…
I was merely illustrating that gold has high value and high density. The hypothetical "1kg gold bar" would be the size of a highlighter more or less. https://en.wikipedia.org/wiki/Highlighter
This is precisely my point: The value of something is highly contextual. The context might well be different for each individual at different times.