I was hoping I wasn't the only one puzzled as to why "a reduced ability to experience joy is a key sign of clinical depression in young children" was newsworthy

I was hoping I wasn't the only one puzzled as to why "a reduced ability to experience joy is a key sign of clinical depression in young children" was newsworthy. I hope the money invested in this research ends up enabling something that can help these poor kids. This is a real problem in our society.