staleWhileRevalidateSeconds greater than maxAgeSeconds use case

Is there a use case where you would want staleWhileRevalidateSeconds to be greater than maxAgeSeconds?

maxAgeSeconds 86,400
staleWhileRevalidateSeconds 604,800

yes, in general staleWhileRevalidateSeconds should be greater than maxAgeSeconds. During the time in between maxAgeSeconds and staleWhileRevalidateSeconds. The content will be served from the cached and the cache updated if need be.