This is a great quote!
I only have a finite number of slots in my brain. If I don't remember it, I won't use it.
Why do I feel like computer industry people turn a blind eye toward this? It may be that successful tech people have practically infinite slots in their brains, so they aren't sympathetic to us regular people that do not. An example is the common question "Why didn't you use [X framework] to do this?" as if the possibility of answering "because I didn't know [X framework] existed" would be absurd.