This is likely via silent updates of Google’s Play Services.

Hello! What other measures you take? Use Gemini (the protocol?) Use I2P? Freenet?

Inquiring minds want to know!

Best way to have forgetful username.

I used Facebook on my GOS phone. I thank Meta for refreshing my weariness of big corp.

You’re mostly right – those names sound like overkill. However do note I have been using Bitwarden’s Name Generator (random noun + number) and I’ve evolved the scheme a bit ( it is now always ‘user’ and I keep adding numbers until the generated username is available ).