It doesn't complicate just build systems, because of the weaknesses of it's type system and code generation it requires wrappers. Those get desynced and take ma

It doesn't complicate just build systems, because of the weaknesses of it's type system and code generation it requires wrappers. Those get desynced and take maintenance. This is the main point where the whole reason to use Protobuf falls apart - it doesn't work well enough to skip manual parsing. And if you do manual parsing you might well go all the way in and use JSON with a schema and a reasonable library to handle these. You gain very little convenience wise and only a bunch of line bytes at best. Which typically does not matter for use cases of Protobuf that are not Google sized.