They also could have mentioned: NDA's, hate speech, threats, incitement, purjury, defamation, security-clearances or state secrets.
No.
"Inalienable right", like the "right to bear arms", has never meant you get to do anything with it. Free speech doesn't extend to defamation; free expression doesn't extend to murder; freedom of the press doesn't extend to sneaking into the CIA's archives, freedom of movement doesn't apply to jails.
I'm of the opinion that arbitration clauses and non-disparagement agreements of the scope involved in this particular case are unconsionable, because they unreasonably infringe upon such inalienable rights.
(I don't agree - re-read my wording carefully - but some certainly take that position. My point: those who do still tend to take the "but there are limits!" position on, say, home-brewed nukes.)
In each case, though - constitutional right, human right, inalienable right, natural right - the fundamental concept of "sometimes two people have rights that conflict, and society has to resolve this" applies.
Unconscionability is a bit like obscenity; hard to perfectly define, but sometimes quite clear.
You have a strange definition of "inalienable".
I have the inalienable right to not be defamed and defrauded.
Now we have to resolve the contradiction as a society. That it's sometimes messy doesn't mean we ditch the concept of rights.
"An inalienable right is a fundamental entitlement inherent to every person that cannot be sold, transferred, or taken away by the government. These rights, often called natural rights are considered essential, cannot be surrendered by the individual, and are not dependent on laws."
Just Google "is x an inalienable right" next time.
"Inalienable" is an assertion; a should.
The right not to be genocided is inalienable. It gets violated still.