Of course it's too late
The fact that this exists won't be lost on many authoritarian regimes, who I'm sure will want to draft laws not only mandating it on all client devices in their country, but also using a list of content that they deem people shouldn't have. For example, in China, I'm sure this will include a certain picture of a man standing in front of a tank, or pictures of the Disney version of A A Milne's beloved bear.
1984? No, that'll be banned too, because it shows that this sort of population monitoring results in the overthrow of said government...