You’re never extreme enough for YouTube’s recommendation algorithm

This morning’s Observer column:

Early one Sunday morning a month ago, a German carpenter was fatally stabbed in a street fight in Chemnitz in eastern Germany. Little is known about how the brawl started, but rumours rapidly circulated online that the man was defending a woman from sexual assault. Within hours of his death, rumours that his killers were two refugees triggered a violent reaction. For two nights running, thousands of rightwing extremists and sympathisers took to the streets of the city. Shocking videos of demonstrators openly using the Nazi salute (a criminal offence in Germany) and chasing and attacking people of foreign appearance rapidly appeared online.

The reverberations of the riots continue to roil German politics and society. They appear to have given a massive boost to the right-wing AfD party, for example, which according to some opinion polls is now in second place in Germany. And last week, Angela Merkel removed the head of the domestic intelligence agency, Hans-Georg Maaßen, from his post after he faced criticism for his reaction to anti-immigrant protests in the city of Chemnitz. He had cast doubt on the authenticity of the videos showing dark-skinned people being chased and attacked.

What’s going on? How did many Germans become so worked up about a street brawl?

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