Yes makes sense. I think it's also about the context of what your goal is and what your eng skill set is. If you are low-level C shop that may make sense. But

Yes makes sense. I think it's also about the context of what your goal is and what your eng skill set is. If you are low-level C shop that may make sense. But if you are trying to build some rpc service for usage between multiple teams and languages. Using protobufs or something similar is gonna give you more mileage.