The model of Amazon (and Google, as noted) of voice assistants being there, not to make money from the devices, but to make money from ads and products purchased ... isn't working, and that's not altogether surprising.

We use our Google Home to control smart devices, call up music, and, honestly, as a kitchen timer.

I really have no desire to order things from Amazon by voice. #tech

https://arstechnica.com/gadgets/2022/11/amazon-alexa-is-a-colossal-failure-on-pace-to-lose-10-billion-this-year/

Amazon Alexa is a “colossal failure,” on pace to lose $10 billion this year

Layoffs reportedly hit the Alexa team hard as the company’s biggest money loser.

Ars Technica