Demonetization—YouTube’s efforts to restrict a channel’s ability to earn ad revenues if its algorithms determine it contains inappropriate content—has long been a fraught issue for YouTube’s creators. Efforts late last year to curb ads from appearing next to potentially offensive videos in the wake of news reports that pointed out these juxtapositions saw some channels lose 80% of sales, Bloomberg reported.

The company has not always been transparent about how its algorithms make its decisions, or when certain channels are demonetized.

Police, however, say they are still investigating the motive for Aghdam’s shooting. When asked for comment, a spokesperson for Google, YouTube’s parent company, directed Quartz to its Twitter page, which contained messages from Google CEO Sundar Pichai and YouTube CEO Susan Wojcicki.

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