Okay, data is great, but the conclusions at the end have almost nothing to do with the data. They're a bunch of unsupported assumptions about what we've changed that must have caused all of this. It includes two separate links to his article about how we're ruining the children by coddling them with woke bullshit. Here's the tagline: "In the name of emotional well-being, college students are increasingly demanding protection from words and ideas they don’t like. Here’s why that’s disastrous for education—and mental health."