The author is making an observation based on market knowledge and long term trends.<p>Yes, he&#x27;s not mouth-feeding us with the relevant data points -- we can search for them ourselves and see whether they match his observations or not.<p>Once we get over this, in the same way that we don&#x27;t expect any conversation or comment in real life to come with charts and figures, we can discuss and try to verify where his assumptions&#x2F;deductions are correct and whether they match the data that we have access to.<p>Being unsubstantiated is a different thing from being wrong.