Earlier quoted context omitted.
While I can see where he is coming from(and have myself grown tired of the social media stuff), his tone is kind of condescending. Cool he sold his "real problem" startup; but to suggest YouTube, facebook aren't solving "real problems" is interesting in the least.
If I woke up tomorrow and one of those sites was down for good, Mint is the one I'd miss the most.
Social media, music, video are real problems that people have, and need solutions to. The problem comes when a startup doesn't really solve anything new and just copies existing stuff.