Durov runs an app where slave trade was known and documented, and did nothing.
At who do you stop laying personal blame for how people use their free will on the Internet,
between Durov and Sir Tim Berners-Lee?
If your answer to slave trade using encryption is "deny encryption to everyone" we'll have to agree to disagree.
Can you believe that the cash Euro is used in crime, human trafficking, and exploitatiom everywhere, and the US hasn't invaded Europe to stop them from supporting human rights violations all over the earth?