700+ lines of code are arguably multiple topics.

Configuring proxy settings for observability add-ons, for instance, has it's own prereqs and should be a file. Other headers may need to move to a new file. Headers might be able to become steps, with sub steps if they are header 3.

https://github.com/stolostron/rhacm-docs/blob/2.13_stage/observability/customize_observability.adoc

Thank you for taking this on.