As @Arnon suggested in the comments, this looks to be a case of the hindsight bias, especially given the reference to "hindsight is 20/20" in a comment.
Hindsight bias, also known as the knew-it-all-along phenomenon or creeping determinism, refers to the common tendency for people to perceive events that have already occurred as ...
Face-name recognition is a form of paired associates, episodic memory. This type of memory is fairly difficult, even for cognitively normal people (and the ability often declines substantially with age), and thus a poor performance on a face-name task is not typically considered pathologic. Therefore, it doesn't have a specific neurologic term to describe it,...
Here’s an image I found that triggers tristable perception (as opposed to just bistable perception):
The three possible interpretations are
A big cube with a smaller cube in front of it
A big cube with a small cubical chunk missing
A room with a small cube sitting in the corner
Apparently there is a fourth possible interpretation, but it is so “unlikely” ...