Einstein is not the right person to cite as an example of good life choices. He had a couple of failed marriages, numerous mistresses whom he hid away ruthlessly, illegitimate children, and bad financial investments.

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I agree. I was a bit confused by this as well. Since the article is about cognitive errors, I'll point out another one. This is the common cognitive error known as "ascribing universal genious to a specialist genious." The thinking must go, "Einstein was real smart so he would be a good choice for making our decisions for us." However, anyone that knows any real physisists would know how faulty this reasoning is.