Reddit is big, but it's still a social media bubble.
The general sentiment and worldview of Reddit doesn't represent the general sentiment of society as a whole.
Step outside of social media, where the worst problems around the world are piped 24/7 into our senses, and you realize that the average person is still doing fairly well.
That really depends on what your conception of an average person is?
I'm not sure it's even useful to look at an average person, vs the bottom 10%? Your average person could be doing fine even with slavery taking up a reasonable portion of people
The general sentiment and worldview of Reddit doesn't represent the general sentiment of society as a whole.
Step outside of social media, where the worst problems around the world are piped 24/7 into our senses, and you realize that the average person is still doing fairly well.