You're not immediately DQd, you just have a good deal of points taken off.
Wire doesn't have to be loomed from one end to the other, it has to be protected as it passes over or though any area where it might be cut or otherwise harmed.
Securing every 6" is in USACi and IASCA, not sure about MECA, which is what he competes in.
Also, he might not be doing an install competition. Might be competing in sound only, in which case, install isn't judged or considered at all.