You would be wrong, because one is a center and the other is a winger, and the market is perpetually saturated with wingers and almost always has a strong demand for centers.
It's really quite simple. Nashville had no interest in a winger - it was a #1C or go home. That was their demand.
And the same is true of us now. We're not trading him for a winger. Period. It doesn't
matter that the winger is MaxPac; he could be Alexander ****ing Ovechkin and the answer would be the same (albeit far more painful to give in that case). We need our #1RHD far more than we need another scoring winger, no matter who that winger may be. I get that this is a hard concept for folks with high-value wingers to spare and real team needs to meet, but you just don't get assets like that for wingers. We know. We've been there with Nash. For a recent example, go take a look at what it cost for Edmonton to finally get the top-pairing RHD they needed.
And before you come up with the usual false transitiveness fallacy - NO THAT DOES NOT MEAN THAT I THINK WE COULD GET OVECHKIN FOR JONES. THAT IS STUPID. It means strictly, exclusively, and exactly what I said - we do not need a winger, we desperately need to keep our #1RHD.
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Go around and find out which teams have a need or desire for a quality scoring winger, versus a need or desire for a young cost-controlled scoring center. And while you're at it, go find out how many quality scoring wingers might be available versus how many young cost-controlled scoring centers might be available. You might come back a tad surprised.
If we want a scoring winger in his mid-20s (we don't as we've got plenty, but just for the sake of argument), we have many options other than MaxPac. If folks want a young scoring center (like, say, Jenner), options are far less readily available. For example, JvR being potentially available in trade diminishes MacPac's trade value. It doesn't matter that MaxPac is a better player - they're both top-line scoring wingers, and so if that's a need I have to meet, then I have the luxury of dealing with Toronto instead of Montreal. I'll be paying for a lesser option, but I'd still get my need met and it'd be without paying through the nose for an incremental upgrade.
(EDIT: Or, put differently - I could get an 80% solution for $50, or a 90% solution for $100. Which is the more sensible selection, in general?)