Fantastic analogy :rollseyes ... if you have a protocol set for a particular situation, chances are even the really modern views will draw from that fundamental concept! 100 years ago the first mastectomy mandated the removal of lymph nodes along with pectoralis major and minor and the breast itself.... not only leading to the collapse of that part of the body but serious fluid accumulation as a result to loss of lymph nodes for drainage, not to mention the psychological ramification of having essentially a part of your body that might have defined your identity removed! Now a days Doctors may get away with a lumpectomy --but still have to do constant monitoring to observe progression of the disease or mets. ... in essence the very first radical mastectomy that was preformed is the gold standard and in fact was curative! even if modern methods get away with something as little as a lumpectmy, not only are the original fundamentals to draw from mandated a 100 years ago, technically they are still the best...
Islam is likewise transcendent, a religion for all ages even if the people aren't observing or under-educated, under-education isn't the definition for fundamentalism! it is what it is--... the answers have always been right there for those who seek...
peace!