If you think it’s a good idea, you should vote for it. I did 
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More about Feature Requests.
The one I use the most by factors of magnitude it the tab that tells you the variables. That should be the default pop-up.
There are other ways to see the automation or the blueprint or the script or whatever. The history is a little handy but I seldom use it. Following the trace thru the diagram and what the variables are are the ones I use every time.