They are coming down hard on protestors because the powers the be are scared and weak. They are stretched thin and are incompetent. They lost Vietnam, they lost the Middle East, they lost Cuba, they lost North Korea, they lost Ukraine and they'll eventually lose the world.
You are currently in the claws of the beast and the beast is dying. You will be free of it's clutches, keep biting its hands. It's squeezing you because your bites hurt it. Do not give up.
And the Byzantine Empire specifically lasted over 1000 years, it must've felt unchangeably immortal when it fell.