Any personal information, from where you live, the number of family members, habit, behavior ... - what you think it does not hurt - is in fact money for those who want to use it. them.
When registering to use a certain service, you must accept providers to collect and use your data.
Exactly that's why I prefer private cervices like this one
https://bitcointalk.org/index.php?topic=5286191.msg55504061#msg55504061 No data collection as no data input is required. No privacy scandals. No complaints.