I'ts about opportunity isn't. What makes you think that most people that are willing to work a 100 hour week for their family wouldn't jump into a freezing river to save someone.
What makes you think I ever said anything remotely like that?
In fact, someone who understands the needs of others, and responsibility and the delaying of gratification is just the kind of person who just might risk themselves for others.
Reading other people's posts is better than reading into them.
Pangloss