Luckily in many European countries it is not used.

I would credit institutions like the chaos computer club and other non-profits, which where instrumental in convincing the government about the dangers. It was a difficult battle against the corporate lobbyists, and is understandable that other countries could not fight against the corporate interests or corruption and succumb to use them.

There where and still are so many issues with them, one of the most fundamental is described by Ken Thompson in his Reflections on trusting trust, which is especially effective for electronic voting machines, where no other way of verification is possible.