I would say that, on the contrary, police and secret services are the institutions it's most important to keep this out of the hands of.
While private companies are using this data in ways that cause harm quite indirectly (influence, consumerism - societal evils to be sure, but no immediate threat to your life), police and the SS are most likely to cause very active harm with such technologies.
While private companies are using this data in ways that cause harm quite indirectly (influence, consumerism - societal evils to be sure, but no immediate threat to your life), police and the SS are most likely to cause very active harm with such technologies.