> Opt-out for GDPR is under 1%. Most people don't care at the moment, sadly.

Correct.

On top of that, many people on HN, aware of the privacy implications, continue to have a Google Home / Alexa in their homes. Myself included.

Sadly, I (and many people) simply don't care about privacy. The probability/expected negatives of surveillance abuse is far less than the benefit of being able to turn my lights on and off with my voice.

The US will for sure become like China in 10-20 years, with regards to surveillance.