I've been on both sides of the layoff discussions all too many times over the years. Even at the most disorganized or chaotic places, I've never seen the severance packages be anything other than a set formula.
That formula might consider location, level, tenure, and other relevant factors, but I don't think I've ever seen a case where it was "I like Alice more than Bob, so Alice gets more..."
That formula might consider location, level, tenure, and other relevant factors, but I don't think I've ever seen a case where it was "I like Alice more than Bob, so Alice gets more..."