In other news, water is wet. Jokes apart, if this is true then what is the legitimate use case for Facebook for getting access to router? This may be potential

In other news, water is wet. Jokes apart, if this is true then what is the legitimate use case for Facebook for getting access to router? This may be potentially used for ad fraud, DDoS, surveillance etc all of which have potential penalties. I wonder if they have added another clause in their ToS that they may use auxiliary mediums/ channels/ network devices to collect data so that they can improve customer ad delivery experience.