The content is objective, and sources should be cited.
Individual editors are volunteers with actual interest in their topics.
The former makes for a clear and low-effort bar for determining if a contribution is bad. If it’s not cited, or it’s biased, revert and move on. Figuring out if a user-written review is paid for, factually false, or exaggerated is a lot harder.
As for the latter… aside from doing it out of spite or as a favor to landlord friends, I have a hard time imagining that many people would volunteer their time moderating the review page about the apartment they rented 14 years ago.
Wikipedia has two significant advantages:
The former makes for a clear and low-effort bar for determining if a contribution is bad. If it’s not cited, or it’s biased, revert and move on. Figuring out if a user-written review is paid for, factually false, or exaggerated is a lot harder.
As for the latter… aside from doing it out of spite or as a favor to landlord friends, I have a hard time imagining that many people would volunteer their time moderating the review page about the apartment they rented 14 years ago.