It also breaks incentives in the other direction - as a candidate you're interviewing for "a job" but not "a particular job", so you're taking it on faith that

It also breaks incentives in the other direction - as a candidate you're interviewing for "a job" but not "a particular job", so you're taking it on faith that it'll align with your interests. If you're considering other offers as well, you're weighing a known quantity against a pure ethos play.