Yeah, but you get to choose who gets to rip off your data. Joking aside, perhaps there would be some privacy focused alternatives and most importantly for Europeans, they would be hosted in the EU.

Well, let that be my concern. Why should I trust Apple more than let's say Proton?

Apple could make settings for controlling exactly what is shared with the various assistants installed including Siri itself. No need for defaulting to full access.

Apple is not abiding, because they want to use time to really ensure they have the best assistant, before they allow competitors to build assistants for iPhone that can replace Siri (in the EU only probably)

Isn't that ultimately the user's choice?