That’s an interesting point - I’m not sure how long a the lag period should be. If it were up to me a customer would be able to review your company at any point.

I guess you can argue that 18 months later the company has probably changed and customer experiences are no longer valid but many companies stay the same more than they change. And really the age of the complaint/recommendation should just be included in the weighting of the review. So, if it were up to me recent reviews would matter more than reviews about an experience that has long passed.

Of course, if it were up to me the reviews would be based upon input from my friends/family (and their friends/family) rather than just making them reliant on random humans.

[note: in case it wasn’t clear - both of the comments in this sub thread about their poor service from “Anonymous” are from the same email/IP which is probably the same person.]