There's plenty of incentive if it causes your users to churn.
It is typically hard to directly attribute churn though, whereas some massive EC2 instance costing you $30/day is a clear line item where cost savings can be measured easily.
alt Hacker News
It is typically hard to directly attribute churn though, whereas some massive EC2 instance costing you $30/day is a clear line item where cost savings can be measured easily.