Bigger tanks allow for economies of scale to make the product for less money, but there are lots of other things that can be streamlined in production. A build

Bigger tanks allow for economies of scale to make the product for less money, but there are lots of other things that can be streamlined in production. A building with 10,000 vats and 50 workers. If you can reach that point and the factory has low opex and expected lifetime of 50 years: is that really still not considered "good enough"?