18 years after Matthieu Ricard presented «The habits of happiness», are we not very sad?

Did Matthieu Ricard not rise high expectations with this video and his books? But rather than finding a confirmation and new findings in the book «Altered Traits»: Do we not rather doubt about the papers Matthieu Ricard presented 18 years ago? And are Matthieu Ricard, Richard Davidson and Daniel Golemann now just disappearing into thin …