A week later...
That just means both parties wanted to keep it internal. The Vikings operated under the assumption it'd be handled in house and his lawyer went along with it. Any leaks would increase the damage and humiliation factor for every single party including ancillary ones. If there's a fair resolution without airing it in public that's preferable for both parties.
The lawyer himself probably wanted to get paid and pushed for settlement, but kluwe had conditions related to the organization that they didn't want to meet.
They knew it was going to court at that point and they preemptively released their own version of it to get ahead of the lawsuit.