[adduxi]

This statement from the marketing email put me right off - "Alexa+ uses interactions with you to personalise your experience. If you don’t want Alexa to know something about you, like sensitive personal information, please don’t share it."
On the other hand, I don't "converse" with Alexa, just use it to switch stuff on and off and as a "radio". It would be a very rare occasion that I ask a question.