They don't have a way to detect whether you are using Incognito or not, so they can't treat those people's browsing data differently. When there is a way, they

They don't have a way to detect whether you are using Incognito or not, so they can't treat those people's browsing data differently. When there is a way, they patch it: https://blog.google/outreach-initiatives/google-news-initiative/protecting-private-browsing-chrome/ https://blog.google/outreach-initiatives/google-news-initiat... https://bugs.chromium.org/p/chromium/issues/detail?id=990592 https://bugs.chromium.org/p/chromium/issues/detail?id=990592