I never looked deeper into it (because I still fail to see the benefit over a blog), but to me it looked quite like something a single developer can create and

I never looked deeper into it (because I still fail to see the benefit over a blog), but to me it looked quite like something a single developer can create and maintain. What did I miss? (Queue the 'of course you can write a twitter clone in a weekend, but scaling, etc.pp' - but I didn't see This.cm taking off really.)