Governments shouldn't touch censorship for the same reason alcoholics shouldn't touch booze.
It's a series of bytes, just like your comment. Don't forget, money by corporations qualifies as speech.
In Brazil, it happens that lying about the democratic process with the intent of getting people to not vote or to get people to support your fascist coup is also a crime.
The Supreme Court ordered X to ban people who commit these crimes and subpoenaed it to reveal their identities so they can be arrested. Subpoenas happen all the time in the US.
Complying isn’t the problem here though. Twitter complies with similar requests all the time. The problem is that Twitter is failing to comply in time and is being hit with ever-increasing fines for it.
Musk could hire more people to deal with it or pay the fines, but he decided that firing everyone and leaving the country would be cheaper.
Your rights end where my nose begins, etc.
Besides, "political speech" isn't as easy to nail down as you seem to think it is. Child porn is political speech if I want it to be so you're opposed to banning child porn. Good to know.