"Big Data" and "Data Scientist" are the latest buzzwords like Web 2.0 and Java were during their ORA hype-r eras.
There is a lot more data. There are a lot more tools and technology to deal with data. There is a need for high quality people that understand how to handle data. But there are no rockstars, there are people that have passion and spent years learning and teaching their craft. But they aren't rock stars. The best may get paid as much as a very well off doctor or business owner, but they aren't going to fill stadiums around the world, sell millions of t-shirts or be targets of media gossip columns.