I think that certainly can be true. But it also depends on how fast the application is changing. If you have a stable portion of the code base that sees signifi

I think that certainly can be true. But it also depends on how fast the application is changing. If you have a stable portion of the code base that sees significant traffic, by all means invest the time in optimizing. But it can be hard to keep up if you're in an environment where you're trying and iteratively adapting on a daily basis.