Quite the opposite, actually - the announcement was by accident, and the police at the border weren't informed. They caved to the sheer mass of people, unintent

Quite the opposite, actually - the announcement was by accident, and the police at the border weren't informed. They caved to the sheer mass of people, unintentionally organized by the party. It is not clear that if a similar number of people had been organized in another way, the wall would not have fallen.