Why is the title extrapolating from 4 interviews to 42M people? First off, I can't spot the 42M figure anywhere - I only see 36M - and the article doesn't seem

Why is the title extrapolating from 4 interviews to 42M people? First off, I can't spot the 42M figure anywhere - I only see 36M - and the article doesn't seem to be extrapolating like that. It's just saying there's potential gains to be made from researching and targeting the super-rich, in a multitude of ways. Edit: the title has now been changed