Amazon calculates a product’s star ratings using a machine learned model instead of a raw data average. The machine learned model takes into account factors including: the age of a review, helpfulness votes by customers and whether the reviews are from verified purchases.
We started buying this litter 6 months ago when our regular choice was unavailable and we haven't gone back. It deodorises really well, it clumps properly and it's flushable. Both our cats seem to be fine with it. It's fairly low dust but there's always a bit of dust at the bottom of the bag which I suspect can't be helped. I haven't tried the other products from Trouble & Trix since they seem to be clay based and so fail to be flushable. We'll keep coming back to this product.