Sorry 😞
tja
What do you feel is missing from the explanations that were already provided in the comments?
Oh, gut zu wissen!
Well, I think there are some more options..

(Stole this somewhere, forgot where)
Und außerdem ist in dem 500 Milliarden Infrastruktur Programm auch nicht so viel Geld für Infrastruktur drin
They are already doing it right now. If you don't want them to train in your data, you have to turn off history.
If you turn off history, suddenly all integrations, also on your phone, don't work anymore. Like creating reminders or the shopping list integration etc.
I just want Google Assistant back.
Yeah, you are right
No, you have to see it from his point:
He clearly is not the problem. So other people have to be the problem. Other people are poor(er). Poor people are the problem.
Die verschicken inzwischen auch Pakete
Bei E-Mail wissen die aber auch, dass sie damit einfach zu Microsoft oder notfalls Google gehen können.
Wie machst du das mit Mastodon? Selbshosten ist glaube ich die übliche Antwort um das unter deiner Domain laufen zu lassen. Und das will niemand.

Keine Hobbies zu haben klingt langweilig