Come on guys, give me a break. It was a welcome note which said, what can be found on the website.
I agree if you would have said, it is not required for the people who are visiting it for the first time as you don't know the quality of content provided. But definitely it dint say or meant "go away".
Here what he says in the blog post, "It is one thing if they don’t have capacity to solve those problems – we are not talking about that category of people. We are talking about people who have demonstrated that they can solve those problems when they are presented by other people."
According to your title, you are trying to say that, Every person can solve every other person's problem. But not his own problem. That may not be true and that is not what author is trying to say.
He is talking about the (smart) people who can solve other's problem. But not about all the people.
Just Pick. Click. Send Quick.