Fox (meaning Roger Ailes) wanted her gone, but they desperately didn’t want to deal with the bad public relations blowback from Palin loyalists.
So they offered her an extension with a huge salary cut. That way, she could gracefully decline to renew. Which she did.
Palin doesn’t bad-mouth Fox, and Fox reciprocates. No need to alienate each other.
Until the whispering and leaking campaign against her by Ailes' toadies starts in a few days, that is...
You don't know that - just your way of seeing things and you wanted to share your revelation - which means nothing!
I bet you never thought they offered her more and she already made up her mind she was leaving once her contract was up.
And you know all this how?