> Not anymore. I got stopped between The Netherlands and Germany, between France and Spain, Denmark and Sweden. Germany has border checkpoints with most of its bordering countries.

Schengen allows to have temporary border controls, you can see the, here: https://home-affairs.ec.europa.eu/policies/schengen/schengen...

I also was really surprised to get controlled between Germany and Denmark. But it’s not the same as the old border checkpoints. Though I wish that didn’t exist