They look interesting, and the no-clamping aspect would be very handy in some applications. Agreed 30x5mm would be a more convenient option; the design might make that impractical though as 15mm on each side may not be enough depth for adequate gripping. I noticed neither of the demo videos on...
As others mentioned, you won't go wrong if you stick with the official T-568B wiring order.
The ordering you listed above won't work reliably over more than a couple of metres, because despite how it appears, your signals are being crossed. The equipment your cables plug into are expecting this...