Anti-gunners don't like free speech much, it appears...

[Eko]

7. So far all I see are people who want the rules on facebook followed about gun sales.

"One of the group pages she flagged for removal, which appears to have been shut down, recently changed names from “Guns & Ammo” to “Buns & Cammo,” complete with a photo of two hamburger buns as the background picture. Another increasingly popular approach is posting a photo of a gun next to another, benign object, such as a can of soda or bed sheets. One post that advocates flagged for removal recently depicts a “slightly used bottle of ketchup” next to a cheap handgun. The price: $100."
http://www.forbes.com/sites/mattdrange/2016/05/03/as-facebook-struggles-to-combat-gun-sales-one-of-its-own-brings-gun-groups-back-online/#1b93d06d3cb3

Haven't seen any evidence of abuse so far although there probably is some on the part of the alerters, while there is ample evidence of abuse from people selling them.