Why would it be a problem? right now yen is ~1:100 of the dollar, so I presume movie ticket cost 1000-2000 yen, so btc 0.025 ($10)=25000 XBT would be no problem.
people will just say "thou"-in your last example-25 thou or 25k bits
So if we were to go that route,
we would divide in 2 groups, one using the old (current) system and other -the new one. Total chaos.
So, as I said before, I do see your point, but it will likely do more bad than good.
Oh, no, we will divide into "Little-Endians" and "Big-Endians" (J. Swift) or worse yet, United Bitcoin Alliance vs United Bitcoin League (reminiscent of South Park)... it's inevitable
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