It's also two different things, you might be right that China, Russia or the EU would be worse as a hegemon, but that doesn't imply that it wouldn't happen.
Being a realist would imply that you would understand that a fundamentally worse hegemon could still replace an existing hegemon.
It's also two different things, you might be right that China, Russia or the EU would be worse as a hegemon, but that doesn't imply that it wouldn't happen.
Being a realist would imply that you would understand that a fundamentally worse hegemon could still replace an existing hegemon.