Is that really the case - that a customer can review the same product twice even if purchased multiple times? That seems like a big error.

I agree!

My products are seasonal (I sell dairies & planners). Often customers make a repeat purchase for the same product the following year, and it's a shame not to accept more reviews from them when they re-order. Particularly given that repeat customers by default will have the best things to say about our products, because they're happy to repurchase.

Please can you change this setting / allow us to opt in or out of the restriction?

Thank you!