That's a common convention in academic papers to demonstrate pairs of correlations, it's the same as writing
"We also find a positive correlation between cognitive ability and realistic beliefs AND a negative correlation between cognitive ability and pessimistic beliefs."
I end up reading a lot of academic journals, and the way that they're written I swear are intentionally obtuse. Sometimes people say "they only seem that way because they are communicating complex ideas", but when I read papers in my own field I know that that's not really the case. I once made it three quarters of the way through an article before I realized that all they were doing was slapping a PID on the problem they were defining. You could have written the same article and made it understandable to anyone with even a passing knowledge of the subject but instead they had to make it so obtuse that practitioners in the field would really struggle.
I mean plenty of reasons to be depressed, we have destroyed our planet, we are in the middle of the biggest mass extinction in 140 million years, and we can't afford anything anymore. But yeah it's a mindset or something.
Yeah, the world is going peachy, everything is just fine. Not like we're on the verge of jackpot, religious morons on the rise, wars, antivax stuff.. it's the mindset right right
The magic rock you are bitching on was in fact, invented by people with SO MUCH DEPRESSION, go pull humanity up by YOUR bootstraps YOU coward, and stop pointing fingers.