There's always a simmering debate among writers about whether or not to respond to bad reviews.
In one recent article titled When You Wish Upon A Star, You Get the Pointy End, writer Elle Lothlorien believes that writers must respond. She considers it a type of customer service.
Personally, I dwell in 'Camp Don't Respond, Simply Learn Even if You Don't Agree,' (imagine THAT on the camp tee-shirts) along with urban fantasy writer Stacia Kane said it best in her response Customer Service.
What do you think?