That's what Facebook is for, to collect marketing data on you and then send you advertising. The gold sellers aren't paying FB though so notify FB. Then FB will ban them or tell the gold sellers to sign up for FB's advertising program.
Yeah I've avoided Facebook and Twitter and other social media like the plague, who knew it was a good strategy (well I did )
People believe what they either want to be true or what they are afraid is true! Wizard's first rule
Passion rules reason Wizard's third rule
Mind what people Do, not what they say, for actions betray a lie. Wizard's fifth rule
Willfully turning aside from the truth is treason to one's self Wizard's tenth rule
If youre talking about ads and targeted marketing, then thats just how it works. Go to game sites and get rmt ads.
As for facebook, I *highly* recommend you get the FBPurity extension.
www.fbpurity.com ir look them up *on* fb.
Lets you get rid of the ads, sort stuff, show who dropped you off the list and other qol things. In fact, its so effective FB censors its mention on its site.