Thanks for your feature request! We'll leave this up for more comments and votes!
I did want to mention two often overlooked resources, the Messages and Broadcast History collections, and Dashboard metrics. The Messages Collection shows aggregate stats for each message, including those sent by automation such as Campaigns. The Broadcast History collection will show similar stats per broadcast.

You can also create individual metrics in the Dashboard for a specific message or for all messages:

I understand these are not directly on point with your request, but did want to make sure those reading this know about these resources.