This doesn't follow because it would assume that XMR is currently maxed out on bandwidth or Moore's Law considerations, which is false.
Terabit bandwidth will be available to fixed locations in that time-frame. Mobile bandwidth isn't really an issue, because thin clients will be used for mobile, exclusively, for the foreseeable future. I just don't see bandwidth as an issue for XMR, ever. For some users, always, but for network strength and integrity, as well as capacity? No. Lower consumption would aid in decentralization, but unless your hard requirement is to maximize decentralization (as I suspect it is for AnonyMint) it's not a problem.
I mis-spoke when I suggested flash was necessary to the blockchain. Magnetic storage is quite cheap and adequate for full nodes, and will already scale 10^3.
Exactly. I stand corrected the correct term for bandwidth is Nielsen's Law.
http://www.nngroup.com/articles/law-of-bandwidth/ and for storage Kryders Law
http://www.digitaltonto.com/2011/4-digital-laws/. Moore's law applies to processing power. All three are applicable for XMR just as they were applicable to credit cards.
I must say that I am old enough to remember when credit cards were authorized, by the clerk looking up a paper list of cancelled cards (snail mail), calling the credit card company for authorization, and then came the technological innovation: Using a dial up connection for credit card authorization while people waited in line at the checkout for the modem to sync.