Sometimes the best way to get from point 'a' to point 'b' is not a straight line. I would agree it is most often much easier to go straight and faster too. When we are in creative mode the object is to do it correctly, and not simply be efficient. It all depends on what we are trying to achieve.
On the PNE project we did the last of the welding on the lower armature today. Before it was declared finished I had to go around the structure one last time to add the upper edge. No tape measure nor level was required. This had to be a wiggly line done randomly. It wasn't the fastest nor easiest way but in the end it will be the most pleasing visually and will add the most magic. True magic it seems most often takes a little more effort.