Originally Posted by
Deltus
Two really obvious reasons:
1) Anyone who was already in Schengen when EES was introduced wouldn't have registered on entry.
2) Since EES is only working half the time (if that, based on this thread), there's a good chance that people will still be entering Schengen without registering, so might be asked to register on departure instead.
Not sure they’re that obvious, both will be tiny numbers of people. And it doesn’t mean they should be funnelling everyone to use the kiosks. Just leave a few kiosks in departure areas for the tiny number of people who need them.