The reason is that the law in Switzerland requires identification of the user of free internet services [1]. So it is not just common practice [1] https://www.

The reason is that the law in Switzerland requires identification of the user of free internet services [1]. So it is not just common practice [1] https://www.gva.ch/Site/Passagers/Shopping/Services/Business-multimedia/free-wifi-gva https://www.gva.ch/Site/Passagers/Shopping/Services/Business...