Not sure about Iphone, I do not trust them either.

The window keeps closing on her phone using duckduckgo, no idea why as it works fine on my laptop and is my "go to" browser.

Agreed regards Alexa, I wrote about that device a few days ago, and have zero idea why anyone would want a spy in their living room, I hear they do lights with a microphone in too now, there goes ya sex life on record.

The IOT network is very vulnerable to attack and has been hacked many times already, smart is not so smart after all hey. :-)
https://www.iotforall.com/5-worst-iot-hacking-vulnerabilities/