I don't doubt there's a demand for Ames Lager, but Exile's capacity is nearly 6x that of West O. West O could certainly up production of AL, but that would also mean sacrificing brewing capacity for their other core beers. The amount of Swarm released initially likely exceeded West O's yearly production capacity.
Exile also has to maintain capacity of their core beers as well. I get that Exile having more capacity gives them more flexibility but let's not pretend they are going to shift all 13K bbls of their capacity to Swarm.
They also added something like 500 bbls of capactity recently and I'd assume that will all go to Ames Lager at least form the short term.
They aren't going to meet demand for the next few months between initial excitement and tailgate season. They would have also been crazy to meet that initial bubble. After the initial excitement the demand will settle out to something more steady and I'm confident they will meet that.
Until then having everyone talk about how it's flying off the shelves is good for demand/building excitement.