The tiny differential (look at the actual numbers) between liberal/conservatives isn't much of a story, but it makes for good clickbait and will help the researchers establish themselves in their discipline.
I think maybe the biggest takeaway from this article is that it points out that all seniors in high school have reported steadily increasing depression over the last thirteen years. I'm willing to bet this trend started earlier in the 2000s. And it's right in line with more and more and more and more and more of all the available money ending up in the hands of fewer and fewer people. Everyone is more depressed.
Anyone with any power or any product is going to milk every single penny they can out of every single interaction they have. There are no ethics in business. No one cares about your privacy, and they only care about laws if they think they'll lose money by breaking them. Otherwise, these laws don't exist for them because they get in the way of more money.
We're a world where the biggest fucking cunts also have the biggest market share of our culture.