I think the numeric scoring is a helpful system, which, (at the least), helps people who do their product research in the way that I do.
I don't trust any one opinion on a given subject/product, so what I'll do is take five or ten reviews , see what the author rated the item, & add it to the collective score, with the scores from others sources, i get (in my opinion), a good idea of where the item stands in its product category.
obviously any scoring system, or review is subjective. It's up to the reader to do the legwork, and find out if the item is right for them. Ultimately, the scoring system is a positive aspect, not a negative one.
PS
keep in mind, there are people who simply view tech site reviews for a quick opinion on a product, and removing something that sums up three or four pages of a review could only be a detriment in my opinion. If people can't get what they want to here, they might go to another site ,where they can get it. It's very easy to ignore the number if you prefer to read the review, but if you don't have the time to read the review not having the number is an issue.