[darby_nine]

> Has nothing to do with the licence, if you need a lawyer (GPL) to see the magic changes in your appliance, you should probably not trust that vendor.

Of course! But trust is unnecessary with code in hand.

[BSDobelix]

But you don't have the code, just the changes to the Linux-Kernel, and that is often NOT the secret sauce.

Again buy proprietary or don't, the license (if opensource) has nothing to do with it.