These things are very hard to stop. First law of the internet says that if you have a public website, it will be scraped and turned into structured data. Over t

These things are very hard to stop. First law of the internet says that if you have a public website, it will be scraped and turned into structured data. Over the years, Facebook has been adding more options to make profiles private, etc. but there are still loopholes around these things with 3rd party "delegated" authentication.