I doubt that .xyz did this intentionally. They just wanted to "capture" 404 traffic by responding to every URL with some content. If just 1% of real users that

I doubt that .xyz did this intentionally. They just wanted to "capture" 404 traffic by responding to every URL with some content. If just 1% of real users that hit this 404 page decided to stay on the site and browse related links, that's a huge win.