Ambidexterity

I have come across several instructors who have taken the "second side" out of a technique, saying they did not see much use for it. That bothers me a little.
Scraping Hoof comes to mind. In more than one instance they have told me they teach it with just the right foot kicks and leave it at that. In case you're unfamiliar with the technique, it has both a right and left leg kick sequence in the standard technique. The left side seems redundant, so they delete it.
I don't agree. While 95% of the people on this earth are right handed, there are lefties. By taking the left side out we are not helping the left-side dominant students. OK, so what? It's a right-handed world and they have to deal with that, they say. That's true to an extent. But what about the fact that your brain defaults to the strong side under stress? Wouldn't the left-handed student tend to want to counter with their left? But, under this program, they have not been trained to use their left, only their right. Tough luck.
For argument, let's throw that premise out. What if the right-handed person could not use their right for some reason? Injury maybe. Or just out of position. Is it not possible they might have to use the left? Too bad again. They were not trained to use it.
Ed Parker told us to work the techniques both sides. "You might only get 2 or 3% better but it's 2 or 3% you didn't have when you started" he'd say. To do some techniques like that you have to run the whole opposite side, which we did. Others had the ambidexterity built in, like Scraping Hoof.
It's true that we are a right-sided system. Most of our stuff is done with and for the right side. Some work either way, like for a two-hand grab. Lefties seem to get great benefit in having to learn to defend against the right-handed world. Many of my best fighters were left-handed, and I attribute it to that.
My last point is that if you take something out and it gets passed down in that modified version, we lose information. As I've said before - don't mess with the standards. Teach the standard, tell your student how you like to do it (without the left kicks in this example), and have them demonstrate both ways. They are bound to come up with another way to do it that suits them anyway, if they're around long enough. But don't cut on the system, it just gets watered down.
That's my opinion and I'm sticking to it.