@Dottie2No, you wouldn't be able to see what guests see, I was explaining my experience as a guest at at least 4 different Airbnbs this year.
You are absolutely right that guests are not really told what overall stars mean.
In regards to the first question guests are asked (How did your experience compare, etc.) I have no idea WHY they ask this question but I can only guess it's for internal statistic keeping?
You're right, hosts never see this answer. Again, I only know because I frequently stay as a guest (well, at least quarterly if you consider that frequent, lol!). And I just asked my current guest to pull up the review page to confirm what HE sees. (He's a regular guest who books 2-3 nights each week for work, so he can review me each week...)
I guess, bottom line, hosts shouldn't freak out about this question as it has NO IMPACT on the star rating!