From the article it sounds like they had strong market share in Digital Cameras in the early 2000’s. What really killed then was phones becoming the dominant form factor
It's just that the cell phones took over that job. (And a dozen other ones too.)
In essence, America was ruined by a kind of fast talking con artistry by people with selfish interests. America has fallen to con artists … “listen here. What you really need to do is help others in my interest, and not help your own in your own interests. That’s the smart thing to do. You see?“