[AlexandrB]

> Have you not noticed the J/Ghash ratio over the years?

This is completely irrelevant because the protocol is designed to scale difficulty with the hashrate. The only benefit of improving J/Ghash is to get a leg up on other bitcoin miners.

[latchkey]

If my operation is earning more ROI, that's my benefit.

[AlexandrB]

The post you were replying to was talking about conserving energy, not maximizing ROI in a zero-sum game:

> I work in architecture and year after year the industry is pushing to squeeze every last bit of energy efficiency out of everything.

[latchkey]

Comparing two apples is boring, it is much more fun to throw an orange into the mix.