The truth is that any time the Rangers can answer questions from within, it makes them much stronger.
It allows them to not only focus on other areas, but if they need to upgrade a position, get better value for what they are willing to trade.
LD, not unlike RW, occupies a weird space in that it has a lot of question marks now, but also a lot of potential answers on the horizon.
You've got Miller who, regardless of whether he hits an elite level, or becomes a first pair denseman, or tops out as very good second pair defenseman, has the ability to bring a unique dynamic to the team.
Not too teribly far behind him is Robertson, who doesn't have the physical tools that Miller has, but plays a game that could translate very well to the NHL. The more he raises his value, the more it gives the Rangers options in the immediate future.
On the right side, it's almost easy to forget that even our oldest option is still not actually that old. So you're talking about a very young group there as well --- Buchnevich 25, Kakko 19, Kravtsov 21, Gauthier 23. That's an average of 22.