“I believe that this will hasten Brexit, and encourage Eastern Europe to leave.”
This was designed to take away the power of the people that caused the vote to brexit. The powers don’t want that ever happening again. Knowledge is power only if you can share it. If there is any site like FR anywhere in the EU then they are about to go offline.
Eastern Europe lived under communism for decades, and learned to communicate with one another under those harsh conditions.
This might help hold France and the Netherlands, but it will have quite the opposite effect in the East.