Originally Posted by
Colin Southern
In my opinion, understanding "why" something is a certain way is a level deeper than simply "how" to accomplish something. Using colour temperature as an example, teaching them HOW to white balance a shot is going to immediately help them if they've been struggling with colour casts. Teaching them the WHY behind it may help them understand more about colour perception and give them tools to decide when technically correct white balancing is the correct way to go, and when it isn't, and how to get a better result by "breaking" the "how" "rules".
In some contexts the "how" is analogous to "giving a man a fish and feeding him for a day" whereas the deeper understanding of "why" teaches him how to fish and feeds him for a lifetime.