> The question is which order of costs it is It seems like you have entirely missed the point of my posts. If they want to do indexing that is perfectly fine.

> The question is which order of costs it is It seems like you have entirely missed the point of my posts. If they want to do indexing that is perfectly fine. But they must do so while being a good citizen, i.e. be spec-compliant and contribute resources (storage, stable routing information) to the network within the same order of magnitude as they consume. There is no reason to justify a net-drain implementation when they could take zero-sum or positive-contribution approaches.