From your link: > "Privacy International has tested both opt-outs and found that they had no discernible impact on the data sharing that we have described in t

From your link: > "Privacy International has tested both opt-outs and found that they had no discernible impact on the data sharing that we have described in this report." So there's that. I wonder if any opt-out really helps. I think the best approach is still to use a good blocker such as uBlock Origin.