At least early on, many grammar points are crammed into each singular ‘grammar point’. Conjugation is a perfect example: “past tense u verbs” will teach you the separate conjugations for ru-u-tsu groups, the ku/gu groups, nu-bu-mu groups, and su. It also teaches 5 exceptions. It also teaches polite form on each of these, although since that is a simple ‘u-i’ conversion you can just count that as one. So that’s a total of 10 things taught all at the same time.
This is way, way, way too fucking much. This is missing the entire point of SRS. SRS is supposed to be a single point hammered home repeatedly at spaced intervals until it gets stuck in your memory; instead it keeps jumping around these 10 points randomly, meaning that none of them actually stick. It also means that all 10 of these points have to share a single time slot, so you’re not repeating them nearly as often as you should be for such an important grammar point. So then I’m forced to try and figure out my own external way of memorizing these through anki and outside study, but then, at that point, why am I even using bunpro?
Other examples are actually broken into separate points. Instead of, say, one single grammar point for ‘ko-so-a(re)’ that tries to stuff every possible variation into your head at once, each and every one is given their own space to breathe. It is much more effective and as a result those were easy to learn. It makes it even more baffling why some other grammar points are all forced to share a single room and bunk together.