Which bit of "Congress shall make no law" did you interpret to state "Congress (and Facebook, Twitter, Google, Amazon, etc.) shall not..."?
The concept of a large and powerful entity allowing free speech is in the spirit of the Bill of Rights, whether the large and powerful entity is government or not.
The parent poster was taking the position that allowing speech is somehow a Musk-derived idea, which is absurd.
They had no intention of broadly protecting free speech in general. They just didn't want Congress specifically messing with it.
> The parent poster was taking the position that allowing speech is somehow a Musk-derived idea, which is absurd.
On that we can agree.