Not sure if this would make me not want to visit such places, I do tend to holiday off the beaten track anyway. I don't think I'd react well to getting squirted with a water pistol.
news.sky.com

Anti-tourism protests break out in Spain, Italy and Portugal
Anti-mass tourism campaigners say excessive levels of visitors in southern Europe are forcing locals out of affordable housing, raising the cost of living and making city centres unusable.