Yes target those persons who wrote a bad review and find problems within each negative review not all bad reviews consist of problems.

But the majority will ask for certain solutions to related to their product or be looking for another similar product.

like this.

This person left a negative review on not been able to find replacement parts for the current item so as a Marketer I can make a review on this product and offer a review and compare it to a similar product with access to parts of simply find parts and make reviews of what parts are best for this product.

But there are many negative reviews and others looking for a better cleaning robot so they want to buy either parts or something better.

like this review.

Where it says this product doesn't work on mixed rug and laminate floor.

Well I got a solution Go to Google and type

Cleaning Robots for Mixed Rug and Laminate floors

See there are similar alternatives to

Eufy RoboVac 11, High Suction, Self-Charging Robotic Vacuum Cleaner

They are in other places pother than Amazon more expensive and delivers what the customers ask for.

And the good thing is that other companies also have Affiliate Programs like BestBuy,WalMart etc and sometimes pay more.

So to take this information and Go to Jaaxy to see their competition and traffic each month for related searches.