after showing them the drug scandals dollar has. the skeptics will then say, "ok so drugs is not a big deal".. what about all the thefts from exchanges and 3rd party services..
show them this and remind them about banks
http://www.youtube.com/watch?v=DsXHHoKgZcUWhat is it so much more 'in your face' with bitcoin. Banks slowly drain you, bitcoin happens overnight and poof mt gox runs.
Because BTC is a new system that don't need banks, but these big corps who want your money still make their firms run like banks.