That is a tired, cheap, superficial point that is beneath this site. If you want to build a case against valley startup culture --- and there sure are cases to be made --- try to do it without creating a caricature of everyone else who has concerns as well.
Yes, both Github and Rap Genius are obviously utterly evil corporations and the source of their connection, which is also the sole source of their existence, must necessarily have spawned their evilness.
Downvoted for at least a triple non sequitur and not adding anything on topic, except for an attempt to derail it into yet another discussion about the thing that must not be.
Wasn't Rap Genius already pretty well-known before they were accepted into YC? You could do a site that annotated sheet music for Polka tunes, or annotated cat pictures with more different cat pictures, and YC would still probably accept you if your traction looked like the first few years of RG's.
http://techcrunch.com/2012/10/03/andreessen-horowitz-iinvest...
http://www.crunchbase.com/organization/rap-genius