This is only partially true and the user is mostly correct. The author is mostly wrong. When you bend a Cat6 cable, there is a high percentage (>70%?) chance of the damage to the internal copper core.
Musing: How Many 10Gigabit Ethernet Ports Do You Really Need ?
I was doing a Data Centre Design recently and did some numbers around the numbers of 10 Gigabit Ethernet ports that need to be deployed. I got a bit of a realisation shock.

