That article seems entirely based on the comments on the OP. The only major quote in there is from a comment by the publisher of the post.
And it's wrong about its two major points, as other commenters pointed out: the contract doesn't limit "windowing", and the "covenant not to sue" just covers suing over copyright infringement for exactly what's covered in the contract itself.
And it's wrong about its two major points, as other commenters pointed out: the contract doesn't limit "windowing", and the "covenant not to sue" just covers suing over copyright infringement for exactly what's covered in the contract itself.