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What I was addressing was specifically the notion that companies pay zero cost for ignoring a customer, or the idea that they believe the same. That's false. Now there's no question there are some customers these large companies are better off without, and there are large and small examples of companies firing customers, or ignoring them til they go away. Nothing wrong with that. All the time on this site we talk about firing unprofitable customers. If you do this judiciously it's just good business. Doing that in particular cases is not the same as doing that generally.