1) If someone breaks into your account, that person can steal all your search history. This is why I disabled search history recording a long time ago.
2) It was uncovered that Google passess some of its data about users to third parties, especially ads agencies. Now, with the new policy, you can't be sure that search data leakage will not occur. Moreover, ads agencies use mechanisms like cookie syncing to share user data between themselves.
"It was uncovered that Google passess some of its data about users to third parties, especially ads agencies." Can you provide a source to back this statement? (I am not challenging you, just interested to learn about this)
1) If someone breaks into your account, that person can steal all your search history. This is why I disabled search history recording a long time ago.
2) It was uncovered that Google passess some of its data about users to third parties, especially ads agencies. Now, with the new policy, you can't be sure that search data leakage will not occur. Moreover, ads agencies use mechanisms like cookie syncing to share user data between themselves.