Some years ago, a Canadian coach yelled at one of his professional hockey players for slacking off. Then, he noticed that the player was passing all the others. The player, Bobby Orr, had a lazy-looking style that hid his considerable effort. You said "The kata content is there, the Kihons is there, the sparring is there..." -- effort may be there as well. I agree with Kathryn and PW -- let an external eye judge them.
Occasionally, I hear from past students whom I thought took nothing from my classes. Sometimes I think they learned more than I taught, or something better than I knew how to teach. I never really know what they take away...
God grant me a good sword and no use for it. -- Polish proverb