because sites like that push either totally generic information off as a 'review' tricking people into thinking its the best product or straight up lie about it and make up most of the first page search results
Yes, the writing is 5th Grade book report level. "There are many hydration backpacks on the market and it can be hard to choose. One of them is X, which has [feature list]. Another one that some people like is Y, which has [feature list]..."
There are so many sites with reviews like that. After reading for a while it becomes sadly clear that they didn't actually physically interact with the items in question. They just rehash manufacturer curated information or steal from other review sites. So much useless information.
I've found that invariably they have wordy and low-density first paragraphs that make it fairly obvious what's going on, and further reading reveals that it's going to be a long slog after which my back button comes out of its holster. Fine, they got a SERP click out of me, but that's as far as it goes.