OP you are very smart, this is the problem that almost everyone never noticed: The fiat money has become the default unit of value domestically
It is so natural to measure value using USD thus people have already get used to it, just like uneducated people always think the sun is going around the earth
The value is all relevant, people will stop using fiat money as unit of value once they had some better unit, I think energy could be the most objective measure of value. Because bitcoin is produced mostly by energy, it is a much more accurate measure of value than fiat money
I've been redirected to bitcointalk.org many times, and finally opted to join, I bought some Bitcoin in April of 2013, for the fundamental reason that dollars are what we use to measure value. I became quite doubtful, hence the incessant obsession with Bitcoin.
While I've always thought energy is what backs productivity through mechanization, and countries issue currency based on there productivity, in my understanding energy is potential wealth, why do you think it is used energy that makes Bitcoin valuable?