Steve
Mostly Harmless
I'll just say this. Defining "what works' matters. In BJJ, for example, deep half guard works. It's works very, very well... in competition. It works, but not as well, in MMA. I've seen some high level MMAists use deep half guard effectively, but they have been wrecked in that position, too. Deep half guard would not work well at all for a cop.
I agree that how the training is set up is very important. But there are two other elements that are equally important.
Training --> Testing --> Applying
Each one of these should be a direct progression. You learn techniques, you test your ability to perform the techniques and then you apply the techniques in context. Testing can be formal or it can be informal. Sparring is a form of testing. Promotion ceremonies can be a different form of testing.
Most, if we're being generous, martial arts styles do a good job training technique.
Some schools do a pretty good job testing techniques, although a common pitfall is failing to remember that the test needs to be a direct link from the technique to the application. It's an essential piece of the puzzle.
Application is all over the board. Some schools and even some entire styles make no effort to link application to anything they do.
Relating this to the idea of the OP, I don't think we can say for sure that any style can work if you train it right (presuming "works" means improving fighting skill). However, we can say that, if the training is sound, things that don't "work" in the system will be exposed. And in some systems, this will be more things than in others.
I agree that how the training is set up is very important. But there are two other elements that are equally important.
Training --> Testing --> Applying
Each one of these should be a direct progression. You learn techniques, you test your ability to perform the techniques and then you apply the techniques in context. Testing can be formal or it can be informal. Sparring is a form of testing. Promotion ceremonies can be a different form of testing.
Most, if we're being generous, martial arts styles do a good job training technique.
Some schools do a pretty good job testing techniques, although a common pitfall is failing to remember that the test needs to be a direct link from the technique to the application. It's an essential piece of the puzzle.
Application is all over the board. Some schools and even some entire styles make no effort to link application to anything they do.
Relating this to the idea of the OP, I don't think we can say for sure that any style can work if you train it right (presuming "works" means improving fighting skill). However, we can say that, if the training is sound, things that don't "work" in the system will be exposed. And in some systems, this will be more things than in others.