Zero trust protects the servers, not the network, and not the data. Protecting the data means encrypting it (which Google also does) such that the client needs

Zero trust protects the servers, not the network, and not the data. Protecting the data means encrypting it (which Google also does) such that the client needs a key to decode it. But if the client is hacked, the hacker can get their keys! so encrypting the data isn't a magical cure-all.