As a European, I thought that was a universal American thing.
Where I come from, the opposite attitude exists - you're supposed to enjoy life and take it easy.
I upvoted both the "don't use /s" suggestion and your comment. IMO both are important points.
Personally I use /s only when the statement is s likely to be otherwise misunderstood. That goes for Reddit as well.
/s was never meant to be ubiquitous on Reddit. What happened is that new users saw it, didn't know what it means, asked, and when they were told it expresses sarcasm, they thought it's mandatory.
IMO the freedom you get by living under your means is far more valuable than the extra utility afforded by spending the money.
Hunting for food is OK, as long as proper technique is observed (safe, humane, environmentally responsible).
Hunting for fun is a sociopath's pastime.