Ratings should always be on a curve for the rater, and on a 10 point scale, with no official meaning attached to the number of stars. If you rate everything 10 stars, you just gave everything 5 stars. If you want your 10 stars to mean 10 stars, you need to rate a bell curve of other stuff too. (you might say "but if I only select the best places, and the ratings are always confirmed, that would be downvoting them." N…
Counterpoint: steam reviews with their binary choice result in a better aggregate experience and remove the need for bell curves. Binary choice leaves less room for interpretation and fuzzy ness, you either like something or you don't.
Maybe make it a really tiny box in the middle that you need to zoom in to click to encourage mostly positive or negative reviews.