How beneficial would it be to carry one of these in your pack if you regularly vacation outdoors?

Commando wire saw , Is an essential tool for a wilderness trip indeed, In a survival situation sticks or limbs can be attached to the ends of the saw to make a bow saw.

It will cut wood, plastic, rubber, and soft metal. Its nylon finger straps will prevent twisting and provide a good grip.

It is an essential part of a special forces gear. In a survival situation sticks or limbs can be attached to the ends of the saw to make a bow saw. Further it is the strongest steel based survival tool.

How practical is it really? I would expect for a regular saw to be a lot more efficient. Am I correct?