This is a super important point. Just look at the direction backend software is moving. Think about how many Postgres compatible databases there are. For virtua

This is a super important point. Just look at the direction backend software is moving. Think about how many Postgres compatible databases there are. For virtually every major open source project that exists today, there are companies reimplementing pieces of backend to sell performance upgrades to their customers. If Google was able to copyright Tensorflow's or Kubernetes API, it could make it so GCP would be the only ones able to offer an improved runtime for that system, and would absolutely be something that they would very quickly take advantage of.