I think this is not a good idea. It is misleading to dig into what people are like in their personal lives in order to understand what they're like in their pro

I think this is not a good idea. It is misleading to dig into what people are like in their personal lives in order to understand what they're like in their professional lives. People have different personas in different situations and for different audiences, and what matters as an employer is what they are like professionally, which may or may not have anything to do with what they're like on social networks or youtube.