Here’s a Bad Karate Technique!
Sort of interesting, but the martial arts usually travel through a filter; somebody tells you what a good technique and a bad martial arts technique is.
But, most times, the person doing the filtering, passing on the bad news, simply doesn’t understand the move.
I’ve written a thorough paper on a specific Karate move, out of the classical kata, and described why it is thought of as a bad technique, but is really a phenomenal technique.
If, of course, you are looking past the idea of karate as simply fighting, and are looking for the deeper truths of Karate.
Anyway, the technique should on Academia at this link.
The Truth of Bad Martial Arts Techniques!
Have a great martial arts work out!
Matrix Martial Arts 
I have to agree with you about forms. I do Taekwondo and most people hate them. I have discovered that almost nobody understands them, and what they are there for. I compete on both a national level and world level events with forms. Keep on kicking, and digging for deeper understandings, and you will always be on a much higher level than your peers!