At least Siri doesn't pester you to buy various things or to use it for additional purposes like Alexa does as far as I know. But, yeah, all the voice assistants are pretty bad or at least bad enough that I mostly give up trying to use them for anything other than certain rote tasks. Siri may or may not be marginally worse but none of them are good enough to, say, really use hands-off in a car unless I've carefully p…
This is exactly the reason why I replaced all Amazon echo devices with HomePods. Siri makes many mistakes, doesn't hear me correctly, doesn't understand me correctly, and so many other issues. I can tolerate all these mistakes that Alexa also makes. I just cannot tolerate Alexa talking back to me, especially when I'm trying to do something important. I've lost my train of thought too many times because of Alexa.
The optimal amount of times a product should interrupt your workflow to tell you about a new feature is 1 or fewer.