I would rather think that it's more likely the cold launch cell is going to be reusable, since that cell would not have to endure any heat stress or damage and would likely only need to refill its gas tank to become reusable. After all, any puff of gas that will not damage the missile itself is IMO unlikely going to be able to damage the cell either.
I think we need to define what we mean by reusable. This post will use the word differently to how I used it in my last post, but the effective practical meaning of them will be the same.
If you mean reusable in the sense that the old cell will be removed and can be fit with a new missile, have its internal gas and other apparatus all returned to a "ready to launch" state, then yes I agree. (Of course rearmament of the ship will occur with at dock using stocks of ready to launch missile cells that are waiting. the used cells that are removed obviously won't undergo the missile refitting and resealing process at dock, but be moved to an armament or logistics facility)
If you mean reusable as in leaving the old cell in the VLS and dangerously fitting in only a new missile, its apparatus, and resealing it without removing the cell itself from the ship, then I disagree.
Expanding this to my other hot launch proposal for consistency, I imagine the "inner sleeve" will be reusable in a similar way to how I describe it in my first statement, I.e.: the cell can be removed from the VLS and the outer sleeve, and get fitted with a new missile and re sealed for instalment on a ship. In this way it will be similar to other hot launch missile canisters that have a common exhaust, I believe their canisters are removed and refitted and resealed as well.
The "outer sleeve" vent will also be reusable in the sense that if it has enough launches left in it and if the ship requires another missile of the same type to be reloaded, then it likely will stay inside the VLS cell. But once it reaches a lifetime limit for launches it will likely be permanently removed and either undergo some kind of overhaul to return it to zero launches or simply scrapped.
In My last post I didn't define "reuse" as removing a cell and refitting and resealing it with a missile, only leaving the cell itself inside the VLS. I left the refitting/resealing part as a fairly obvious process that would occur for both a cold launch canister and the inner sleeve hot launch canister.
(It might also be worth changing the jargon a little in future, I.e.: instead of a cell or tube, we call it a canister that holds the missile and can be removed and changed and resealed/refitted. The word cell can be used to more accurately describe the physical space of the VLS module which doesn't change)
