I think they might have gotten it wrong in the article, since travel passports are a much bigger problem than ID cards (which also contain RFID chips), because

I think they might have gotten it wrong in the article, since travel passports are a much bigger problem than ID cards (which also contain RFID chips), because the former contain more sensitive information. In particular, storing fingerprint information is optional (i.e. decidable by the card holder) for the ID card but mandatory for the travel passport.