Why would it be? At this point, it's a simple, effective and fast RPC framework with a lot of cross-language support. If you need something like it, there's not

Why would it be? At this point, it's a simple, effective and fast RPC framework with a lot of cross-language support. If you need something like it, there's not many other choices available with this big of an ecosystem. There's even GRPC-Web being worked on to bring it to the browser. That being said, it can be overused just like anything else.