Coooking is about knowing the secret to success. It’s not the secret ingredient it’s the secret knowledge to do the task the best way. If the knife is sharp it should be done a certain way and if the circumstances are different then it should be done differently. But if you want to know how to do something the best way in a specific situation, the question shouldn’t be about the tool specifically but rather the technique for the situation considering the variables. I can tell you how to cut things with a dull knit but if the knife is sharp, my advice would be different