Because an Amazon review viewer should be looking at an item bought from the storefront they are on and nowhere else as it reflects the item the service even if not explicitly stated in a review.
It should not be on Linsoul or Moondrop as well.
Does Shenzen allow reviews for items bought on Aliexpress?
If so…why?
This topic is being discussed only because an absolutely fake review was spotted.
How often does that happen?
I’d like to think any review is based on a purchase wherever I am reading it