I'm more confused than when I started. I understand the concept, but not the ecosystem or money supply... or exchange rate.
that example isn't reason enough for me to use bitcoin.
The bitcoin miners only process the transactions. They don't care about fraud and chargeback.
But for the long term, When the list of payment methods reads:
Visa / MC / AmEx / Bitcoin (receive 2% discount)
which button do you think most consumers will choose?