I have just returned from the EU last week and I have been fingerprinted twice — once on entry and once on exit.
The US passport holders get fingerprinted on entry only, as I’ve heard.
Ok, weird, I don’t know how the system works then. My wife is Colombian and on her last entry she just scanned her passport and that was it.
Is that good or bad? Maybe a naive thought but the first I think is that check every time is to check biometrics matches with what is in the passport without storing them, checking only once mean your picture and fingerprint is stored a central place and is used in combination to later verify that the passport is yours