[skybrian]

I'm not sure what distinction you're making? "Too hard" is often a valid reason for not doing something.

[dmitrygr]

Yes, unless you refuse to admit it and instead claim that security is improved by obscurity you chose to engage in.

[jolux]

But this isn't completely security by obscurity, it's security granted by hardware that is built for secure purposes for which it is difficult to provide a software platform.