Interesting... (More LAN)

I just saw this on my ISP site concerning my hub.
Does this sound like a reasonable warning, or is it the same kind of disclaimer nonsense that tells you to wear a grounding strap everytime you open up your PC?
Installation note: You will need a CAT 5 Ethernet Cable for every Ethernet device you will be connecting (click here).. The cable will go from the Ethernet device to the Ethernet Port on the back of the 5-Port Switch.
Does this sound like a reasonable warning, or is it the same kind of disclaimer nonsense that tells you to wear a grounding strap everytime you open up your PC?
