I'm on this site a lot, I know who it is and I understand why it made to the front page. It would help everyone (you included) if you try Google first whenever someone (or something) you don't know is mentioned in a discussion. Even if you search for previous mentions of Hugo Barra on Hacker News, you'd learn that stories mentioning his leaving Xiaomi have made the frontpage in the last few days [1]. As a person who is on this site a lot, I'm surprised that you aren't familiar with him.
Let's not even get into what is (or isn't) juvenile at this point.
Let's not even get into what is (or isn't) juvenile at this point.
[1]: https://news.ycombinator.com/item?id=13461387