The same happened to me. The negative review shows up when i'm signed in but it did not affect the rating (number of stars) of the business.
Basically, it's just me and the owner of the business that sees the review. The negative review I gave the scammy business doesn't show up when I sign out.
Basically, it's just me and the owner of the business that sees the review. The negative review I gave the scammy business doesn't show up when I sign out.