Karate evolved in only the last two centuries. They all evolved to art-forms with the dangerous aspects of practicing them removed.
Safety is a crucial issue, and it's always in the forefront.
Some of the techniques we learn can be so dangerous that very strict safety protocols are taught and vigorously enforced. As you progress you learn the subtle intricacies of the art and why techniques work as they do. Not only will you acquire technical expertise but you will also develop a sound theoretical and philosophical background in the art. You will also gain a firm foundation in the legal subtleties of defending yourself in our highly litigious society. With this comes an increasing degree of confidence and inner tranquility.