[alerighi]

It's easy to make the switch in a rich country with less than 10 millions of inhabitants, mostly living in big cities.

[Hendrikto]

Check out reference 2. This is being done across the whole of Europe. It has already been done in Australia.

[kristofferR]

It's the same "we can't introduce chip-and-pin because of all the credit card readers" argument that kept carding an issue a decade longer in the US than in the EU.