You did reject their premise and then agree with their facts. To someone with a 20 second attention span (or someone spreading 20 seconds' attention over 5 min

You did reject their premise and then agree with their facts. To someone with a 20 second attention span (or someone spreading 20 seconds' attention over 5 minutes of interview) that sounds like talking your book. Soviet Union has no problems. There are no little green men. I don't know what you're obliged to say or not say, but you might get better results by reframing: "If this is a bubble, then bubbles happen every five years."