I use wanikani, and I'd be surprised if this was a fake/paid for post. The team that builds it is really small (just one guy develops the product, he has 2-3 employees for community management etc), and their user base is really in love with the product.
I might be wrong, but I wouldn't be surprised if this was just an excited user. Partly because for the reasons I just listed, and partly because his path to learning Japanese sounds... counter productive to say the least (learning 756 kanji over 4 years before you tackle grammar is... silly).
Regardless, wanikani (and other Japanese products made by this small company) is excellent. I recommend it, and am not affiliated with it.
Keep in mind in that learning a language, limiting yourself to a single source is silly. Try different textbooks, online courses, apps, YouTube videos, etc. Some of them will convey grammar in a way that clicks more with you, others pronunciation, others vocabulary, etc.
I might be wrong, but I wouldn't be surprised if this was just an excited user. Partly because for the reasons I just listed, and partly because his path to learning Japanese sounds... counter productive to say the least (learning 756 kanji over 4 years before you tackle grammar is... silly).
Regardless, wanikani (and other Japanese products made by this small company) is excellent. I recommend it, and am not affiliated with it.
Keep in mind in that learning a language, limiting yourself to a single source is silly. Try different textbooks, online courses, apps, YouTube videos, etc. Some of them will convey grammar in a way that clicks more with you, others pronunciation, others vocabulary, etc.