Even at a very large company, it's probably too common to spin out some logic into its own microservice. Often times owning your own microservice is a great arg

Even at a very large company, it's probably too common to spin out some logic into its own microservice. Often times owning your own microservice is a great argument for a promo, even if the code could just as well be in an existing service. Companies would claim to discourage that tendency, but it's a false claim. So that's an additional reason for microservice frameworks: a welfare safety net for software engineers.