Are you sure it's a free speech thing? Are you really really sure?
Because it seems like to me, it's more because Musk does not know how to run a social media at all and is trying to treat it like some industrial plant, slimming down the work force to the BARE minimum and trying to find ways to cheap out in order to save a few dollars.
Plus, having used Twitter in both the pre and post Elon era, I can confidently say that there hasn't been much of a change in what people have been able to say, only now Elon is pretending that he's bringing light to the masses.