When it comes to scams such as the one being discussed in this thread, these things have been happening for a very long time in social media, especially Facebook and comments section in Twitter, and the reason why some people fall for them is a lack of knowledge, they believe its an opportunity to get rich, but they don't realize its a trap for them.
There is a big difference between leaking personal data, which if it happens could cause harm, it is much less than accessing or publishing private keys. Privacy issues are one of the things that prevent many people from using their data with crypto exchanges.