They, along with the mainstream media, stayed quiet on this topic for 3 whole days hoping it would blow over because the perpetrators weren't white cisprivileged men.
That's a slanderous assumption which comes awfully close to being a conspiracy theory.
The fact is that this wasn't widespread knowledge to politicians until yesterday... even the
Cologne Police seems to have been unaware of and suprised by it until the media started to report on it. And when it was first reported it was blown out of proportions by the media ("1,000 men" and so).