Allow feedback in the post meta box when themes or plugins modify the default behavior

[benlk]

• add an option to disable the checkbox
• add an action where developers can add additional documentation or document why the checkbox is disabled.

[aschweigert]

can you explain this one a bit more?

[benlk]

This one was, iirc, a way for a developer to set a reminder text that would inform users about that site's editorial policy/rules/etc for disabling SCAIP on a post.