And now there is industry leaders that is saying this man needs to be released. That includes Edward Snowden, Elon Musk, and Vitalik Buterin.
They do think it is not fair he was arrested and can not have free speech. I do hope this man is released this week after he is being question for a few days in France. 
https://www.cnbctv18.com/world/edward-snowden-elon-musk-industry-leaders-reaction-telegram-founder-pavel-durov-arrest-19465563.htm