Japanese verb conjugation the simple hard way

Overall reaction to the article

• Many enjoy the systematic, “engineer-brained” breakdown and say it reveals the underlying elegance of Japanese conjugation.
• Others find it verbose, overcomplicated for a simple system, and too focused on a narrow slice of N5‑level grammar.
• Several note that similar explanations already exist in standard ichidan/godan treatments; some call the framing a strawman of how it’s usually taught.
• There is disagreement on whether this is genuine “teaching” or mainly a personal learning note that happens to help a subset of learners.

Romaji vs kana and romanization systems

• Large debate over using romaji at all beyond the very beginning; many argue learners should move to kana quickly and romaji becomes a harmful crutch.
• Dispute over “si” vs “shi”: some insist “si” is valid in Kunrei/Nihon‑shiki and IMEs, others point out the article explicitly chooses Hepburn and treats “si” as invalid within that choice.
• Critics say Hepburn obscures kana‑table regularities and phonology; proponents say it matches English phonetics better for beginners.
• Some emphasize that focusing on romanization systems distracts from actual language acquisition; others see understanding these choices as part of the learning model.

Coverage and correctness of verb conjugation

• Consensus that Japanese verbs are relatively regular: ichidan vs godan plus a few irregular or semi‑irregular verbs (suru, kuru, iku, aru).
• Multiple comments say the article focuses heavily on masu/nai and ichidan/godan but barely treats te/ta, potential, passive, causative, volitional, and imperative, often relegating them to “just memorize patterns.”
• Some argue the stem+suffix model extends cleanly (with “disappearing consonant” brackets); others counter that this becomes ad‑hoc and less pedagogically useful than standard tables or kana‑row shifting.

Learning philosophy and pedagogy

• One camp values explicit rules, systems, and “seeing the whole conjugation space in an evening.”
• Another camp warns that over‑theorizing is procrastination; real progress comes from input, drills, and communication, with grammar internalized implicitly.
• Disagreement over “teaching via engineered mistakes” (e.g., expecting learners to form *si and then correcting to shi); some see it as an insightful moment, others as reinforcing bad habits.

Community dynamics

• Several note strong negativity and gatekeeping around Japanese learning online, which can discourage beginners.
• Others defend critical scrutiny of methods to avoid “snake oil” and misguiding novices.
• General advice in the thread: whatever explanatory system one uses, it must eventually be paired with extensive reading, listening, and speaking practice.