Sorry, but that's not the reason. This is a symmetrical response to CENTCOM and the Israeli Military Censor's policy of freezing OSINT in-theater.

In any case, it's perfectly clear that the internet blackout didn't stop the protests. The protests were never going to topple the government, the CIA/Mossad needs the Kurds to fight the IRGC (and the Kurds don't want to fight).