The problem is that in the Netherlands there now is a law requiring you to show an ID if the cops ask for it.
However, this was allowed with the provision that the cops had a sensible reason for doing so, i.e. you broke the law, or you were doing something suspicious.
I see no reason why it is any of the cops business to know who I am when I'm just walking down the street.
Same situation applies at the border, there is a seperate section for Schengen countries in the Amsterdam airport and you normally get in and out without showing an ID. I see no reason why it suddenly is any business to the customs officer to see who I am.
I think he's talking about the gates that handle flights to/from Schengen countries being in a different part of the airport, before passport control. The assumption is that once you're in Schengen the border guards at the first entry point should have ensured you're allowed to be there.
However, in every airport where I've seen that, I've certainly been able to get as far as the gate without ID (particularly if I've a pre-printed boarding pass), but I've always needed either a passport or EU member state ID card to actually get on the plane.
If you can get on without your ID, however, there are generally no checks at all at the far end.
Ah, OK, this makes sense. I admit that I don't think much about immigration or customs when I am arriving in Europe because it is all so simple. It's only when arriving in the US that I dread the experience. (And I am a natural-born US citizen.)
I see no reason why it is any of the cops business to know who I am when I'm just walking down the street.
Same situation applies at the border, there is a seperate section for Schengen countries in the Amsterdam airport and you normally get in and out without showing an ID. I see no reason why it suddenly is any business to the customs officer to see who I am.