Right now in Turkey criticizing the operation is considered "terrorist propaganda" (120+ persons already detained), as is reporting that there are victim among Syrian civilians (a few independent journalist already detained and released) any website/tv reporting negatively is being closed by the state TV watchdog.
So it is not only about counter-intelligence.
I'm not commenting on the war, the sides taking part in it, etc. I'm merely saying that muting social media in the vicinity of troop movement is a logical move by any government engaged in a war.