If you have any actual data to share, please do. That said, I am not inclined to discuss this on the basis of anecdotes and personal insights, especially becaus

If you have any actual data to share, please do. That said, I am not inclined to discuss this on the basis of anecdotes and personal insights, especially because I think your aims are misguided. I write all of this while wearing ten-year-old boots which have been re-soled twice.