If Scott Wilson has a cup ring for top 6 minutes, then ZAR can fit into a cup winner's top 9
But, more to the point, I just don't Francis' job is to build a cup winner's top 9 right off the bat, and I don't think he thinks it is either. Vegas were a freak and they were a freak powered by side deals. Side deals require cap, as does quickly turning an okay team into a great team by picking up the likes of Stone and Patches.
And cap disappears pretty quick if he takes a bunch of Zuckers. Less so for grabbing premium bottom six guys. Maybe he doesn't have a lot of top 6 LW options and takes Zucker - hell, maybe he takes Pettersson - but those depend a lot on the side deals, who else is there, etc.etc.
While ZAR would be a useful plug and play non-break the bank option that makes his team better with no need to think about it.