Ok, here is something completely experimental. Consider the following real world example from Sitecore’s website. You have a section called “Customers” and you have a left rail where the leftnav typically sits. Now your marketers want the “call-to-action” rendering to be placed below the leftnav:
…and what’s important, have it cascade to all child pages (let’s take this as an example).
Another thing they want to make sure is to lock it down on those child pages so nobody can do anything with it in Page Editor (move, change properties, etc,)
Pretty interesting scenario, heh?