This has huge psychological implications, similar to not carrying a passport while crossing borders and paying with the same coins everywhere: All these measures help to get the feeling that Europe is indeed one place, one community. Weekend trips to other countries are not a privilege of the 1 percent over here, more like the top 30-50%. I love to see what is happening right now, and I'm confident it will survive an…
As you allude; unless you live in the UK where the media shove it down our throats that we're special and don't need that level of co-operation, integration and instead should leave the EU (and presumably be a de-facto additional US state). For those of us in the UK that do visit Europe or wish to speak to people in Europe with Google Hangout, Skype etc. this is excellent news, as it presumably is for all Europeans.
EDIT: I speak of personal experience, I can't really talk too much about Eastern Europe people but I have met many people coming from there and I didn't hear any specific complains.