Why bother? Because these techniques increase the capacity of "cache" that is closer (low latency) to human "computation". This can lead to faster traversal of the OODA loop, https://en.m.wikipedia.org/wiki/OODA_loop, which is relevant to lean startups, business competition, combat and more.
See the HN thread on AI as an enabler of IA, https://news.ycombinator.com/item?id=10373180
In addition, spaced-repetition techniques can be used to increase your vocabulary, which is like gaining extra pixels for the expression of nuanced goals, helping any compass which guides execution to a goal. Words are proxies for dreams and dangers, especially in a software-constructed world. Greater word capacity becomes greater visibility over a software-based terrain.