You are considering whether to buy a product. You look at the reviews. Would the following review decrease or increase the chances of you buying the product?
Review title: Putty leaves residue on drywall
Product review: The level is designed to adhere to a wall with provided putty. But when you pull the level off a painted drywall wall, there remains remnants of the putty. Because it doesn't harden, it's nearly impossible to remove. Big fail.
