Who would need to press the power button to actually turn off or restart the device, right?
The setting to change this is also pretty much buried under Settings -> Special Features -> Gestures.
(Yes, I have no idea why the Assistant is in German when the phone is set to English either 🫠)
Because Google just has no idea how to deal with multilingual people. Google Assistant’s ability to understand and respond to prompts that are in either of my languages is completely unpredictable, even for the language the UI is displaying in. Another issue is that you apparently just cannot in any way control what language call screen will use to talk to a caller. Such a good feature rendered entirely useless for me because of that.