As I understand it, a wrinkle with this distinction is that having a monopoly through sheer competitive goodness isn't illegal, but actively trying to construct

As I understand it, a wrinkle with this distinction is that having a monopoly through sheer competitive goodness isn't illegal, but actively trying to construct a monopoly almost always is illegal. And with the benefit of hindsight, I don't see how Ticketmaster's acquisition of Live Nation can be construed in good faith as anything but the latter.