Those major players are Asian banks that are heavily infested in the euro. The assumption behind that "success" was that political integration would follow. But that isn't going to happen now.
You are correct that the euro isn't going away. But you can't base value on dreams and promises forever. Either the economies in the euro zone improve, or the euro will continue to decline. Let's hope it will be a gentle slide.
"Those major players are Asian banks that are heavily infested in the euro."
Infested? I wouldn't go that far, but they might have been feeling rather infested in recent days.