The thing is that the study with the mice was seriously flawed. There’s been more research since then, which is why we’re getting this announcement now (even though the announcement itself is little more than “oh hey there might be something to this? We definitely need more research before we can know for sure.”)
Ohhhhh you’re a free speech absolutist. Gotcha.
There’s a fuckton of philosophy and case law behind why free speech absolutism is a bad idea. Maybe you can spend some time looking into that, you might gain some insight into why everyone is shooting you down.
Also, words mean things and while authoritarianism always shuts down free speech eventually, not all restrictions on free speech is authoritarianism. This would be the nuance that you claimed other people refuse to see, that you yourself have eschewed in this case.