There have been many studies on interviewing and what works. Instead this is another anecdote fill article with no indication of data - even though it implies there should be some.
One additional point of data about caring about exit interviews: I have been in a team where an excellent engineer left for a different company. He came back about one year later a more senior role, and was instrumental to the company success in the following years.
One additional point of data about caring about exit interviews: I have been in a team where an excellent engineer left for a different company. He came back about one year later a more senior role, and was instrumental to the company success in the following years.