As a Dane living in Denmark, I don’t think it’s a big problem. We don’t show passports when entering Germany, only when returning to Denmark. And several times, if I forgot my passport, a driver’s license has been sufficient. Passport control is not really, if I have to be direct, aimed at the locals.<p>Unfortunately, Schengen has made it easy for organized crime. On the simpler end, for example, bicycle theft, cargo bike theft, and electric bike battery theft have exploded, and the police do not have the resources to solve it. When they occasionally caught the perpetrators and deported them, a couple of months could pass before they encountered the same people again.
There is a lot of that kind of thing in Denmark, and unfortunately, it is often people from Eastern European countries who are behind it. I am not far-right, but it is a fact.
The ironic thing is that border control doesn’t really solve anything. There is no control when you drive out of the country (possibly with stolen goods), and there is no round-the-clock passport control at all border crossings.