The author was talking about the marginal cost of Salesforce running their instance. If they stopped being a customer, it would save Salesforce $100 in server c

The author was talking about the marginal cost of Salesforce running their instance. If they stopped being a customer, it would save Salesforce $100 in server costs, but Salesforce would lose $10k’s. That means, Salesforce needs to deliver that much value to the customer in order to keep them. In addition, they need to deliver that much value over any lower cost competitors.