Freedom of speech has always been an illusion specially in democracies.
If you say especially in democracy in what system freedome of speech is better? I think you are a little bit blinded by the media, since yes the protests are being controls when they turn violent but still you can say what every you want in the media or in a peaceful way.
Unfortunately I have not yet seen any system that has true freedom of speech. It is not about controlling protests either, it is about speaking about "dirty government" in which case you will be silenced if your voice starts to be heard (they don't silence every idiot on the internet that talks about such matters).
For the most recent example google "ABC news reporter home raided". He wasn't "violent" or "protesting" he simply talked about the dirtiness in US government regarding how they started Ukraine war so he was "deleted" immediately.