What kind of Android do you have? Are you sure you went through all the settings?
And, still, I can install LineageOS or other privacy-respecting systems on my phone. We don't have any custom firmware for an Echo or Alexa yet (to the best of my knowledge.)
Perhaps I'm just unfamiliar with the rest of his work. But this, and a brief perusal of his page, carries the same air as those self-help books written by the wealthy and privileged.
If this is intended as advice, I stand by my judgement that it's just not good. But I also think others would see that it's not good, we all generally understand travel as another form of consumerism and something available only to the wealthy. So it probably isn't advice.
But if this is a metaphor, then there is meaning that I don't understand and I withdraw my judgement.
Does the author believe most people can afford to quit working for a period of time, let alone afford to travel around the world? Does this author look down upon those who aren't so well traveled, view them as lesser or less deserving?