Relatedly, if you hire Alice and she works out, but in months or a year, you hire for the same role, why not reach out to Bob again? You invest all that time i

Relatedly, if you hire Alice and she works out, but in months or a year, you hire for the same role, why not reach out to Bob again? You invest all that time into interviewing Bob, but then if they don't get the offer, you never reach out to them again. I don't get it. I don't think I've ever seen this done well.