If you read the whitepaper of lina.review I am 100% sure you won't ask this question. But let me tell you the strength of lina.review such as follows:
1. Revenue is completely recorded on the blockchain and visible to the public.
2. Users can become Helpers if they have many high-quality reviews. Helper may lose their position if there are many poor-quality reviews.
3. Unlimited types of products or services.
4. Build specific review criteria for each subject with the assistance of available team of Helpers.
5. Users and Helpers can earn Lina token basing on their contribution.
6. The assessment is decentralized so it cannot be faked.
7. The results are completely transparent to the users.