Because the people involved find it unpleasant to notify candidates of a rejection. "Unpleasant" to send a standard form letter? I don't buy that. I do agree

Because the people involved find it unpleasant to notify candidates of a rejection. "Unpleasant" to send a standard form letter? I don't buy that. I do agree though that it's what they prefer. As a reflection of how they are, and how they look at people.