Earlier quoted context omitted.
The vastly overwhelming body of evidence clearly indicates that today humanity is materially and by nearly all concrete measurements of human well-being better off than at any time in all its long history. This paints a powerful case for humanity also being psychologically and emotionally better off, on average, than at any older time in history since, as should be obvious, dodging starvation, random war, plague and…
>major dental or surgical needs that are today fixable with little fuss I guess perhaps that's true in some countries, but not for the US. People put off major medical needs for years and even decades to wait until they can get on medicare. Dental issues are even worse. Yes, the availability of the treatments is nice, but the majority of people are deeply stuck in modern society to have access to those treatments.
I could make a large list of all the ways in which this comparison is laughable.