I'm definitely in the "Just use JSON for most things" camp, but I'm wondering, why would you ever choose CSV for interfacing microservices over protobuf? Isn't

I'm definitely in the "Just use JSON for most things" camp, but I'm wondering, why would you ever choose CSV for interfacing microservices over protobuf? Isn't protobuf basically CSV but with good libraries at the interface point and standards around how to deserialize the streams?