tech advancements = improvements of life for the whole humanity, and thus overall happiness. But it seems this naive thinking doesn't work in this world.
> tech advancements = improvements of life for the whole humanity
Yes, that equation is inaccurate. Tech advancements mean more powerful tools. Tools that can be used to improve things or can just as easily be used to make things worse.
The entire history of mankind indicates that it will always end up being a mix of both.