FaceBook is a required medium for access to many sites. So is Linked In. If this were not the case, then they would have a case for a right to censor.
You can’t marginalize certain groups of a particular mindset on essential public forums.
“FaceBook is a required medium for access to many sites. So is Linked In.”
The ONLY things FB and LI control access to is their own content.
They ALLOW some to publish on FB. Bound by their contractual TOS.