She over simplified. Her Grit model is a good example. Grit is an awful metric that tries to boil down complex and independent behaviors to a single number. And the measurement tools are short 8 or 12 question assessments. In my experience the results are meaningless. (Source: I conducted a study of a population & their success at a task that takes 2 years. The result? Grit had no predictive value. Others have been equally unable to obtain results.)
In this article, her model of self-control is both too complex and over simplified at the same time. The last 3 stages-- attentional, appraisal, response-- are presented as 3 discrete phases. In reality, these often blur together into a single split-second decision. The proposed solutions to each stage are laughable: Instead of sitting staring at cookies, read book! Instead of thinking about how good they taste, tell yourself they look old! (you just bought them) Instead of eating the cookies, don't eat the cookies! Ridiculous.