Disinformation is not free speech.
As is engaging in discussion about it with people who own or manage them.
Reference Wuhan Labs.
Personally I found everything in the article to be ludicrous and to have Jack-all to do with the First Amendment, but I am not very smart.
I am sure there are arguments that this behavior is within the bounds of the constitution but the 1A definitely applies.
How do we determine when something is true or disinformation? That's what good faith pro-social and pro-truth people ask. They talk process, principles, and reasons.