I think that comparing DDG to a young google is an awful comparison and nigh on useless. DDG's reputation for privacy is they're selling point, and they know th

I think that comparing DDG to a young google is an awful comparison and nigh on useless. DDG's reputation for privacy is they're selling point, and they know they would be found out quickly if they do surreptitious stuff because many eyes are on them and would love to nail them to the wall for reneging on the promise to keep searches private. The same logic applies so that they only use search related ads and not tracking/unique ID ads.