It has. Which part of Europe are you talking about?
Thought to be fair I don’t think I’ve many in Oslo city.
I generally just ask a cafe to fill my water bottle if I need to. I’ve never had anyone refuse
The city of Amsterdam has 500 fountains or bottle filling stations[1]. The rest of the country has at least 2400 more[2].
[0]: https://www.wateratairports.com/topic/schiphol-airport-ams/ [1]: https://www.waternet.nl/service-en-contact/drinkwater/gratis... [2]: https://drinkwaterkaart.nl/waar-kan-ik-gratis-water-tappen/