I always found this post bizarre because, when you read what they actually describe, it sounds like a terrible process for an advanced learner. You go through months of having hundreds of reviews per day (since WaniKani doesn’t have an “ease” system that would let you progress faster through easy content like Anki does) while learning very little.
Even if you manage to go very fast through the reviews because you already know everything (and WK not having undo, you better not go too fast unless you want to risk typos), how fast can you realistically go through hundreds of reviews/day? And remember that if you want to go full speed like they did, you have to do reviews multiple times per day, sometimes at awkward hours.
Reading further, they basically knew almost everything up to level ~50, and from that point onward they learned a lot. Cool, except that those are also widely considered the least useful levels because they teach you more niche kanji that may not appear in the things you routinely read. So you know how to say Red Carp now? Wow congrats!
They reached level 60 with 99% accuracy. That’s absurd. If you have 99% accuracy in an SRS system, you’re just wasting your time.
I don’t understand how anybody would read this and think “yeah, that sounds like a good use of my time and money”. It seems completely inefficient and highly frustrating.