What are you talking about? How much is Trouba making? What was Shattenkirk making? What's Shattenkirk costing next year for nothing? And the year after that? And the year after that? We should've bought out Staal, not Shattenkirk. Maybe we should've traded Kreider. There are a lot of moving parts beyond just not buying out Shattenkirk.
No fantasy world - just a world where we move a guy and replace him with a more expensive guy and are STILL PAYING THE OLD GUY.
What fantasy cap world are YOU living in?
With the Shattenkirk buyout, we were barely under the cap. Buying out Staal wasn't an option because it didn't save us nearly enough cap space. Neither did buying out Smith.
In your scenario, we would have this:
-8 mil for Trouba
+7.143 mil for Hayes (the contract he signed in Philly)
+3 mil for Pionk (the contract he signed in Winnipeg)
-1.075 mil (max) for whomever Hayes replaces
+5.1 mil for not buying out Shattenkirk
-2.8 for buying out Staal
The net effect, at best, would be adding 3.693 mil. There's no way that would have worked. There's no way we could have done everything we did, and then buyout Staal instead of Shattenkirk. Maybe Hayes and Pionk could have been signed for less, but not that much less.
It's very easy to state that the Rangers should have done this or done that, but when you actually do the math, you see that there was no way to actually do that.
There's also the fact that if we had kept Pionk and Shattenkirk, we'd have a right side of ADA, Pionk, Fox and Shattenkirk. Would Shattenkirk have gotten PP time over ADA and Fox? His lost his job to Pionk the year before. Is it worth having a 7th dman with a 6.65 mil cap hit?
Shattenkirk was, and still is, a one-dimensional player, and that's a dimension we already have plenty of. Buying him out was no great loss. He should have never been signed in the first place.