Earlier quoted context omitted.
Yeah, you described pretty much the worst case scenario where everything goes through fiat. But once Bitcoin penetration is significant and people start getting paid in Bitcoin (already happening) and accept it as payment (also already happening), all these exchange fees go away. With fiat you're stuck with the fees forever. Also your 0.5% assumption is wrong. You can place a buy ad on LocalBitcoins and actually buy…
does bitcoin have an intrinsic value? if so, what?
To understand how a currency works (and why intrinsic value isn't required, difficulty in counterfeiting is the only requirement ) Will be covered in a text or class covering microeconomics.