Most people in the field don't even ask themselves this question. They all have an incentive in believing it works.
There's a book about it though: https://us.macmillan.com/books/9780374538651/subprimeattentioncrisis
Most people in the field don't even ask themselves this question. They all have an incentive in believing it works.
There's a book about it though: https://us.macmillan.com/books/9780374538651/subprimeattentioncrisis