A lot of those things apply to many human activities.
I don't build bridges but I would be very surprised if an architect described his work as "pure science and no craft at all" (how would it be possible, then, to build beautiful / ugly bridges?)
I do a little woodworking and have many tools; friends sometimes look at my shop and ask if I really need all that -- yes, I do. In the course of a project you get to use many different tools. You can get around to missing one but it takes exponentially longer to work with not the exact tool. (Same thing with photography).
I'm learning to fly, and the most important word regarding human factors is "honesty". The way to fly is not to avoid mistakes, it's to detect them and minimize the consequences; if you feel you can do no wrong you'll eventually kill yourself.
I don't build bridges but I would be very surprised if an architect described his work as "pure science and no craft at all" (how would it be possible, then, to build beautiful / ugly bridges?)
I do a little woodworking and have many tools; friends sometimes look at my shop and ask if I really need all that -- yes, I do. In the course of a project you get to use many different tools. You can get around to missing one but it takes exponentially longer to work with not the exact tool. (Same thing with photography).
I'm learning to fly, and the most important word regarding human factors is "honesty". The way to fly is not to avoid mistakes, it's to detect them and minimize the consequences; if you feel you can do no wrong you'll eventually kill yourself.