Upgrading smart card reader rollouts to their ATM network/Eftpos and issuing cards is probably going to cost more than just paying out on fraud refunds to their customers, so until the fraud on the current infrastructure rises to a level that makes it cheaper to implement improved security there isn't going to be an upgrade.
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Its just cost benefit analysis for the banks.
Upgrading smart card reader rollouts to their ATM network/Eftpos and issuing cards is probably going to cost more than just paying out on fraud refunds to their customers, so until the fraud on the current infrastructure rises to a level that makes it cheaper to implement improved security there isn't going to be an upgrade.