isPrivacyDisabled = function isPrivacyDisabled(privacyFlag) {
    if (!this.get('privacy')) {
        return false;
    }

    // CASE: disable all privacy features
    if (this.get('privacy').useTinfoil === true) {
        // CASE: you can still enable single features
        if (this.get('privacy')[privacyFlag] === true) {
            return false;
        }

        return true;
    }

    return this.get('privacy')[privacyFlag] === false;
}
@callback isPrivacyDisabledFn
@param {string} privacyFlag - the flag to be looked up
@returns {boolean}