Even using a burner phone doesn't fix the situation if you're still required to have the said phone with you all the time and it can't be turned off,
it tracks your location, other phones you meet with etc.
I was thinking more about before/after the event to avoid it reaching to more details about your private life outside of that specific timespan, text messages, whatever tictoc harvests these days, etc.
What lovely world us all software developers have build. Everything online or as digital application on your phone. Maybe we should really have stopped at some point to think should we instead of could we...