Probably 'cause Madinosaur's music is reviewed by a larger audience, she has released a lot more, and she isn't more concerned with raising her children than fame?
Jennifer is getting some major Oscar buzz for her work in the movie and Deadline’s awards editor even says “this should be Aniston’s Monster or Monster’s Ball — or even Dallas Buyers Club, which transformed Matthew McConaughey’s career last year and brought him the Best Actor Oscar. There are really no tricks to this performance. It’s raw and real, poignant and unexpected.”
It's not bad. 
