Finally the voice of reason from a US retailer.

Wal-Mart Treasury Exec: Chip & Signature is ‘Worthless’

Cook told CNNMoney that migrating to chip-and-signature is barely an improvement over magnetic-stripe cards, and said that Wal-Mart would have supported moving to a chip-and-PIN system. “The fact that we didn’t go to PIN is such a joke,” Cook said.