Wasteful is the proper word to describe the complete lifecycle of a highly specialized mining device.
Where CPU and GPU mining for sure wastes energy, CPUs and GPUs can be used for something else (true for FPGAs as well to a certain degree).
But ASIC miners are obsolete the day they enter the market.
I don’t whether I should feel pity for the workers for the boring to dangerous work they have or I should think they have a relatively well-paid job - for a limited time.
Operating an NSR minter is for sure safer for people and environment!
Can’t wait for NuBox; my RaspberryPi2 needs something to play with 