First of all, I dont disagree. Just wanted to add that "the simple thing" is often not the obvious thing to do, and only becomes apparent after working on it for a while. Often times, when you dive into a set of adjacent functionality, you discover that it barely even works, and does not actually do nearly all the things you thought it did.
Yes. The simple thing is not necessarily the obvious thing or the most immediately salient thing. First explore the problem-solution space thoroughly, THEN choose the simple thing