What has atheism anything to do with this?
America is swinging even more towards theocracy -- the Military Prayer Meetings say killing people is a mission from god, the White House Faith Office 1) exists, and 2) says that saying no to the rapist running government is "saying no to god"
Because the article's question is 'how did America get so sad' and the answer is 'because it lost Christianity' because Christianity makes people less sad.
Absolutely nothing. Religious people just tend to think they have it all figured out because they've been well trained in following tradition and avoiding questioning the status quo.
I think the value add of religion per the top comment is that it typically has a built in community and sense of connection. Churches bring people together in multiple ways.
I write that as an atheist who is more isolated than I'd like. I'm working on community and connection but it's challenging when one works remotely and relocates to a new town.
While I recognize the community value of religion and the comfort it brings people, it comes at a huge cost that far outweighs the benefits. IMHO, organized religion is a cancer on modern society. I think there's other ways to get the good parts from it but that's a team effort.