"We are concerned and outraged at the political, economic and social development that we see around us. Through the corruption of politicians, businessmen, bankers ... the helplessness of the ordinary citizen," says the manifesto that called for the mobilization". These are the reasons why there have been so many demonstrations in Spain and most of the world in recent years.
Usually it is young people who feel outraged, but now with the support of some old people as well. These people all have something in common, they protest because they are discontent with the situation of the country, and demonstrations are a way to show their displeasure.