You're preaching to the choir :) 

You're correct to point out that a lot of the opposition might be oblivious to Moore's law in addiction to the chain size growing slower than rate of technological advancement in general, or they're just using it as a red herring.

You can get a used laptop for a similar amount as a new Raspberry Pi. Comes with a built-in uninterruptible power source, more performance and a screen.

Murch

But we want a low base-line for decentralization purposes. Nodes need to be geographically dispersed, with a large percentage in areas where microcomputers are the only thing available/affordable. But NGU should outpace the cost to run a node efficiently, so that will become less of an issue.