The fundamental error in this article is the following inference: Satisfying someone else's need is good, therefore having your need satisfied by someone else

The fundamental error in this article is the following inference: Satisfying someone else's need is good, therefore having your need satisfied by someone else must be bad. But the real world is not this way at all. Transactions are not zero-sum. It is entirely possible to satisfy someone else's need and have it not cost you as much as it benefits them. Once you realize this, the entire chain of logic falls down.