Because many people still do not know the difference between private and public. They still consider internet a place where their "privacy" must be preserved... I have news: nothing is private on internet. The internet is a public space. And also they use real identities on internet.

If you want to do something in private, don't do it on internet. Also they confuse security with privacy.

How many times I have to post this page on SN until people will pay attention to it? https://livingintheprivate.blogspot.com/