A decision made in advance is not a process. Unlike all the other real-world examples of committed processes in the article, premade decisions don't require discipline - the actual substitute for motivation - to execute in a meaningful way that ensures actual progress.
I just wanted to add as well that, as someone who has read quite a lot of books on self-help and productivity, there is one that makes a lot of similar points: "Triggers: Creating Behavior That Lasts--Becoming the Person You Want to Be"
https://www.goodreads.com/en/book/show/22544758-triggers
I recommend it to anyone who agrees with this article and feels like a book-length treatment of similar ideas would be helpful to them.
Why not letting Google Maps decide?