Extrapolation: "Account" here means the Facebook account created by you and visible to you; probably distinct from "Profile" in their lingo, which is all the da

Extrapolation: "Account" here means the Facebook account created by you and visible to you; probably distinct from "Profile" in their lingo, which is all the data they have on you, of which most is invisible to you. If this is true, that's not an opt-out for data collection, just a choice to keep that info from showing in your account while merrily continuing to build your profile.