I agree 100%. One big problem with Japanese textbooks is that they usually cover formal Japanese only. You encounter Japanese in the wild and see a lot of thing

I agree 100%. One big problem with Japanese textbooks is that they usually cover formal Japanese only. You encounter Japanese in the wild and see a lot of things handled differently from textbooks or at all. All Japanese All The Time was an intense early solution to this based around learning sentences over specific parts of speech and you intuit as you go.