This is worrying because it means consumers have no protection.
This is worrying because it means consumers have no protection.
I think in most transactions the seller is well-known and has to worry about reputation effects, while the consumer may as well be anonymous. In which case consumer protection is not that important.
For cases where both parties are anonymous/untrustworthy, you can use a protection scheme like escrow.
That doesn't work when the payer can take his money back after the transaction, of course.
One of the proposed benefits of bitcoin is that by protecting the merchant from buyer fraud, it could enable a global free market. In this case, buyer beware is the watchword, don't hand over large amounts to someone far away unless you trust them or they have very good reputation.