> This is not what actually happens in practice. There is no sudden outbreak of productive activity because people have more free time. If this was going to occur there would be mountains of empirical evidence for it by now because this situation isn't rare.

Wrong.

> I know many people with a lot of free time...

Not a valid argument for, or against anything.

You probably mean to say you already know humans are just 'lazy' and the evidence for it is vibes, which is completely and totally sufficient for you but for anyone who thinks otherwise - they better come up with evidence that isn't just vibes.