This is a [documentation requirement for stable components](https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/component-stability.md#documentation-requirements-2). Relates to #9769 (but does not necessarily imply it). There have been multiple iterations of this, see #13726, #13155, #10694, #10376 and see #13784 for the latest iteration.