I work for an agency that works to make data publicly viewable. We are limited by some use-contracts that these layers remain internal to our public tools, not exposed to others who might want to put the layers on their own web tools.
To be able to remove the ability to reach the service definition / endpoint would be great in securing data and controlling its use to those intended.
This was spurred from a proprietary flood-model dataset that we can share the extent of, but the company that makes the product is apprehensive about their model being reverse engineered / used by those who have no legal ties to the product's agreement.