It gives you more control over when and what Google can do on the device. If you run Google software with network access you have to assume they can track you, but having it sandboxed minimizes what it can do while running and gives you more control over what it does (e.g. you can deny it network access entirely whenever you want).

The supply chain risk designation and threats of imprisonment are completely insane. It’s effectively the corporate death penalty for Anthropic. I expect the stock market would be crashing right now if it were open.