To disable it (for now):
- at the top left tap the 3 horizontal lines,
- near the bottom tap "Settings",
- tap your account,
- scroll to the middle and unselect "Smart features".
- Consider moving over to a non-psychotic, non-fascist-supporting email provider, like https://en.wikipedia.org/wiki/Tuta_(email)
Anyone know how to get rid of the Gemini icons?