Well, the market is about re-distribution of wealth. So ya, I am sure there were tons of losers ... and this guy must have had days that he lost much more than $30 mil. and was not featured.
I think this is him: https://www.youtube.com/watch?v=La-WIYNjgoY
Can you imagine being a day trader and having built a portfolio that allows you to do such giant trades ? That is crazy.